CN106868405A - Using the production method of the invar cold-heading silk of electroslag remelting process - Google Patents

Using the production method of the invar cold-heading silk of electroslag remelting process Download PDF

Info

Publication number
CN106868405A
CN106868405A CN201710101980.8A CN201710101980A CN106868405A CN 106868405 A CN106868405 A CN 106868405A CN 201710101980 A CN201710101980 A CN 201710101980A CN 106868405 A CN106868405 A CN 106868405A
Authority
CN
China
Prior art keywords
temperature
cold
heading
production method
pickling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710101980.8A
Other languages
Chinese (zh)
Inventor
荆正伟
钟静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danyang Kaixin Alloy Material Co Ltd
Original Assignee
Danyang Kaixin Alloy Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danyang Kaixin Alloy Material Co Ltd filed Critical Danyang Kaixin Alloy Material Co Ltd
Priority to CN201710101980.8A priority Critical patent/CN106868405A/en
Publication of CN106868405A publication Critical patent/CN106868405A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/16—Remelting metals
    • C22B9/18—Electroslag remelting
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C22C33/06—Making ferrous alloys by melting using master alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Abstract

The present invention relates to a kind of production method of the cold-heading silk of use electroslag remelting process, its chemical composition is：Nickel：35 37%, manganese：0.2 0.6%, silicon:≤ 0.3%, phosphorus：≤ 0.2%, carbon：≤ 0.05%, sulphur：≤ 0.02%, iron：Surplus.Its production method is comprised the following steps：1）Vacuum melting；2）Electroslag remelting；3）Forge cogging；4）Hot-roll forming；5）Crin drawing；6）Sour openpore material；7）Polishing deburring；8）Annealing；9）Pickling is checked；10）Finish draw；11）Heat treatment.Cold-heading silk in the present invention from proportioning and production method guarantee to meet resonant rod needed for hardness and the coefficient of expansion requirement, while having good toughness, disclosure satisfy that the requirement that cold-heading is processed.Processing efficiency is not only increased, the utilization rate of material is more improve, loss and the manufacturing cost of Product processing is reduced.The production method includes vacuum melting operation, can make the H in cold-heading silk2, O gas content greatly reduce, the formation of nonmetallic inclusion is controlled well, further increase cold-heading silk purity and plasticity, toughness, improve cold-heading silk material processing lumber recovery.

Description

Using the production method of the invar cold-heading silk of electroslag remelting process
Technical field
The present invention relates to RF device resonant rod with invar cold-heading silk production method, meet resonant rod be applicable it is required The requirement of hardness and the coefficient of expansion, and the material and its production method of cold-heading processing are disclosure satisfy that, especially with respect to expansion alloy The improvement of the Ni-based 4J36 of material.
Background technology
As mobile communication business is developed rapidly, RF device product indispensable in the construction as communication base station, and Resonant rod product is largely applied in RF device again.Resonant rod as RF device core component, for many years because its precision will Ask higher and lathe turning processing is carried out using bar, but further develop and domestic recently as domestic and international communications industry The acceleration that communication master device business cracks the international market, the market demand of radio-frequency devices is increasing, and currently manufactured resonant rod is equal Machining is carried out to resonant rod using Digit Control Machine Tool (CNC), therefore the problem brought is that rapidoprint is wasted seriously, material profit Only have 60%~70% with rate, and process time is more long, and processing efficiency is only 30~40/hour.The processing effect of resonant rod Rate turns into restriction client's lifting product yield, reduces the obstacle of every cost.In the research and practice process to prior art It was found that：Traditional cold-heading processing method is mainly for the manufacture of parts such as bolt, nut, iron nail, rivet and steel balls.Forging stock material can be with It is copper, aluminium, carbon steel, steel alloy, stainless steel and titanium alloy etc., stock utilization not only increases processing effect up to 80~90% Rate, more material-saving, reduce cost of goods manufactured.And existing resonance bar material is due to hardness to be met and the coefficient of expansion It is required that, therefore it can not carry out simultaneous manufacturing using cold-heading method.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of producer of the resonant rod of RF device invar cold-heading silk Method, the requirement of hardness and the coefficient of expansion needed for the resonant rod in RF device is met with acquisition, while disclosure satisfy that cold-heading is processed Requirement cold-heading silk.
Inventive concept：Original 4J36 expansion alloys material composition is suitably adjusted in GB allowed band, new life is incorporated Product method.
In order to solve the above technical problems, the cold-heading silk selects 4J36 expansion alloy materials, its each group for including is divided into （Wt.% is represented）：Nickel：35-37%, manganese：0.2-0.6%, silicon:≤ 0.3%, phosphorus：≤ 0.2%, carbon：≤ 0.05%, sulphur：≤ 0.02%, Iron：Surplus.
The production method of the cold-heading silk is comprised the following steps：Vacuum melting → electroslag remelting → forge cogging → be rolled into Type → crin drawing → acid openpore material → polishing deburring → annealing → pickling test → cold drawn → heat treatment, wherein：
1）Vacuum melting：By raw material Jinchuan Ni plate, metallic silicon, Mn, pure Fe it is toasted after load Jinzhou east electric furnace Co., Ltd Melting is carried out in the ZGHL0.25-250-1 type vacuum induction melting furnaces of production, Large-power High-Speed is added after melting the 70% of gross mass Fusing, 1460-1660 DEG C of the refining temperature to be achieved after fine melt（It is preferred that 1500 DEG C）Enter refining period afterwards, refining is kept for 30 points Clock, the refining later stage turns low vacuum（103—10-1Pa）, tap within high-power stirring 1-3 minutes, pour injecting electrode.
2）Electroslag remelting：It is 1 with mass ratio：1 fluorite prepares striking agent with titanium dioxide, uses CaF2、Al2O3With CaO systems Make remelting electroslag system, wherein, the mass percent of three is：CaF2:65%-75%, Al2O3:15%-25%, CaO:Surplus；Dress Stove, striking slag making, smelting, feeding, cooling, are made steel ingot base；Plus during slag spoon do not allow with crystallizer, electrode bar simultaneously contact or Slag spoon disorderly smashes the slag charge on crystallizer, and striking electric current is 500-1500A, is normally smelted again after slag fine melt, control electric current 2500-3000A, voltage 38-41V, makes electrode melting, and untill crystallizer is filled, smelting finishes and carries out feeding, remelted ingot The de- ingot air cooling of cooling.
The vacuum metling operation and electroslag remelting operation, the ZGHL0.25-250-1 type vacuum induction melting furnaces for using have The degree of purity and uniform texture of steel alloy are improve to effect, surface, the inherent quality of steel ingot is improved, steel alloy is improved Performance, reduce further the yield of nonmetallic inclusionsin steel.
3）Forge cogging：
（1）Preheating：Steel ingot base is heated to 850 DEG C by room temperature, preheats 30-50 minutes；
（2）Heat up：It is warmed up to 1050-1150 DEG C and turns over ingot blank, is incubated 40-50 minutes；
（3）Insulation：When reaching forging temperature, initial forging temperature >=1100 DEG C, final forging temperature >=950 DEG C.
（4）Forging：Using the weight of the second light industry bureau one, two uniform maneuvers are made steel ingot.
Described forging is to forge beginning to be touched with less deflection, takes the circumstances into consideration to thump after being improved etc. plasticity, is closed on Touched again during final forging temperature, it is desirable to which deformation is uniform, it is to avoid is clashed into repeatedly in same position, wants duty to stand up during forging, duty is entered Material, each inlet amount should be less than boring wide, more than drafts, it is to avoid produce hammering and folding, destroy surface, influence the matter of cold-forging steel Amount.
4）Hot-roll forming：Material loads the temperature of annealing furnace：≤600℃；Heating-up time >=120 minute；Heating-up temperature： 1100-1150℃；Soaking time：>=30 minutes, the beginning rolled temperature：≥1100℃；Finishing temperature >=950 DEG C.
Above-mentioned hot-rolled process, enters stokehold and production spare part is assembled and adjusted, and can avoid producing folding in the operation of rolling Folded or scuffing, destroys product surface, forms the crackle of cracking.
5）Crin drawing：Before operation, first carry out, with mould, drawing process being carried out with glomerocryst mould by deformation requirements.
The crin drawing procedure, need to require according to size, select the mould of suitable pass, as follows with mold technique standard：
Unit（mm）" * " represents annealing（Annealing temperature referring to《Well vacuum electric furnace is heat-treated（Annealing）List》）
￠ 18.0*-￠ 17.0*-￠ 16.0*-￠ 15.0*-￠ 14.0*-￠ 13.0*-￠ 10.0* and ￠ 8.5*
Well vacuum electric furnace is heat-treated（Annealing）List
Classification State Specification mm Heating-up temperature DEG C Soaking time The type of cooling
Nickel-base alloy Semi-finished product >=￠ 8 800-850 >=40 minutes Air cooling
6）Sour openpore material：With sulfuric acid immersion, salt acid rinse to white, 30-70 DEG C of pickling temperature, pickling time 20-35 minutes.Base Material pickle proportioning：
Pickle is matched Concentration % Temperature DEG C Time
15 30-50 10-20
Pickle is matched Concentration % Temperature DEG C Time
30 50-70 10-15
Described pickling process, concentration is calculated with the weight of complex acid, the blank after pickling must embathe with high pressure water flushing wash clean, Conveniently find out face crack.
7）Polishing deburring：Material surface situation is checked, if any surface defect（Such as flash, foreskin, crackle）, use portable sand Wheel carries out reconditioning treatment.
8）Annealing：Crin is placed in pit type annealing furnace and is made annealing treatment, temperature is at 800 DEG C -850 DEG C, it is incubated 1-2 hour.
9）Pickling test：With sulfuric acid immersion, salt acid rinse to white, 50-80 DEG C of pickling temperature, pickling time 8-15 points Clock.Material surface situation is checked, light pruning is carried out with portable emery wheel, it is desirable to which surface defect depth is no more than 0.5mm.
10）Finish draw：（1）With mould：Need to be required according to size, select the mould of suitable pass, it is as follows with mold technique standard：
Unit（mm）" * " represents annealing（Annealing temperature referring to《The treatment of well vacuum electric furnace（Annealing）List》）,
￠ 18.0*-￠ 17.0*-￠ 16.0*-￠ 15.0*-￠ 14.0*-￠ 13.0*-￠ 10.0* and ￠ 8.5.
（2）Finish draw：Often drawing next specification all needs to carry out pickling test, reconditioning treatment.
11）Heat treatment：Silk material after will be cold drawn is heat-treated in being placed on well formula argon gas protection bright annealing furnace, heat treatment temperature At 800 DEG C -850 DEG C, air cooling after 1-2 hour of insulation discharges degree.
Above-mentioned annealing heat-treats and heat treatment, can improve or eliminate steel casting, forge, roll etc. during institute The various tissues missing and residual stress for causing, and crystal grain thinning, it is therefore prevented that stress concentration, so as to reduce opening for cold-forging steel Probability is split, larger deflection can be born, with larger elongation percentage, the contraction percentage of area, preferable plasticity and higher Toughness and intensity.
The present invention is from the chemical composition of steel of influence cold-heading steel quality, surface defect, equipment adjustment, grain size and rolling side The big factor of method 4 is set out, using ZGHL0.25-250-1 type vacuum induction melting furnaces be effectively improved steel alloy degree of purity and Uniform texture, improves surface, the inherent quality of steel ingot, improves the performance of steel alloy, reduces nonmetallic folder in steel The content of debris and the gas content of H, O；Deoxidation, crystal grain thinning, expand the deflection of steel, elongation percentage, the contraction percentage of area, compared with Good plasticity and toughness and intensity higher；Enter stokehold production spare part is assembled and adjusted, can avoid in the operation of rolling Middle generation folds or scratches, and destroys product surface, forms the crackle of cracking by carrying out to blank pickling repeatedly, reconditioning, moving back Fire, drawing, accomplish surface zero-fault.Find that this material is the requirement for meeting hardness and the coefficient of expansion through client's reality processing, and Simultaneous manufacturing can be carried out using cold-heading method.Stock utilization not only increases processing efficiency up to 95%, more saves Material, reduces cost of goods manufactured.
Specific embodiment
Embodiment 1
Resonant rod cold-heading silk, its chemical composition is（Wt.% is represented）：Nickel：35.6%, manganese：0.35%, silicon:0.3%, phosphorus： 0.18%, carbon：0.02%, sulphur：0.015%, iron：63.535%.
Embodiment 2
Resonant rod cold-heading silk, its chemical composition is（Wt.% is represented）：Nickel：36.8%, manganese：0.5%, silicon:0.28%, phosphorus： 0.10%, carbon：0.015%, sulphur：0.01%, iron：62.295%.
Embodiment 3
Resonant rod cold-heading silk, its chemical composition is（Wt.% is represented）：Nickel：36.2%, manganese：0.33%, silicon:0.17%, phosphorus： 0.13%, carbon：0.021%, sulphur：0.012%, iron：63.137%.
The production method of above example 1-3 is comprised the following steps：
1st, vacuum melting：
（1）, raw material prepare：The furnace charge is Jinchuan Ni plate, metallic silicon, Mn, Ultra-low carbon and technical pure Fe materials, toasted standby With；
（2）, charging：Load in vacuum induction melting furnace toasted rear standby Jinchuan Ni plates, metallic silicon, Mn, Ultra-low carbon and Technical pure Fe furnace charges；
（3）, refining：Low-power material, power high speed melt, the refining temperature to be achieved 1500 after fine melt are increased after melting 70% Enter refining period after DEG C, refining is kept for 30 minutes；
（4）, cast：The refining later stage turns low vacuum（103—10-1Pa）, high-power stirring one minute taps, and pours injecting electrode.
2nd, electroslag remelting：
（1）, striking agent and the allotment of remelting electroslag system：It is 1 with mass ratio：1 fluorite prepares striking agent with titanium dioxide, uses CaF2、Al2O3Remelting electroslag system is made with CaO；
（2）, shove charge：Chassis, striking agent, crystallizer and electrode are installed, necessary elder generation water flowing before dress crystallizer, and checked for Drainage, try to get to the heart of a matter on pad powder and crystallizer between must be tight, pad powder inner ring will be justified as far as possible, and water tank face will dry, totally, Striking agent is put, to ensure its electric conductivity；
（3）, striking slag making：Reducing electrode makes electrode be contacted with striking agent, completes striking work, melts striking agent, adds weight Molten electroslag system；
（4）, smelt：Plus spoon does not allow the slag charge for being contacted with crystallizer, electrode bar or slag spoon is disorderly smash on crystallizer during slag, draws simultaneously Arc current is 500-1500A, is normally smelted again after slag fine melt, control electric current 2500-3000A, and voltage 38-41V makes electrode Fusing, untill crystallizer is filled；
（5）, feeding cooling：Smelting finishes carries out feeding, and feeding electric current is tapered into, untill current value is changed into 0, during feeding Between 3-5 minutes, electrode is lifted off more than electroslag face 3cm to have a power failure, after remelted ingot cools down 30 minutes in a crystallizer De- ingot air cooling.
3rd, cogging is forged：（1）, preheating：Steel ingot base is heated to 850 DEG C by room temperature, answers slow heat, preheats 30-50 minutes；
（2）, heat up：Steel nail base quickly heats to 1050-1150 DEG C, and duty turns over ingot blank, makes its equalizing temperature, is incubated 40- 50 minutes；
（3）, insulation：Reach and be incubated when forging temperature, insulation is forged for 20 minutes, initial forging temperature is 1100 DEG C, finish-forging Temperature is 950 DEG C.
（4）, forging：Forging uses the weight of the second light industry bureau one, and two uniform maneuvers are made steel ingot.Answered with during before forging beginning Slag, the rubbish on cleaning surface etc., are first touched with less deflection in time, take the circumstances into consideration to thump after being improved etc. plasticity, are closed on Touched again during final forging temperature, it is desirable to which deformation is uniform, it is to avoid is clashed into repeatedly in same position, wants duty to stand up during forging, duty is entered Material, each inlet amount should be less than boring wide, more than drafts, it is to avoid produce hammering and folding, destroy surface, influence the matter of cold-forging steel Amount.
4th, hot-roll forming：
（1）, material load annealing furnace temperature：≤600℃；
（2）, heating-up time >=120 minute；
（3）, heating-up temperature：1100-1150℃；
（4）, soaking time：>=30 minutes；
（5）, begin roll temperature：≥1100℃；
（6）, finishing temperature >=950 DEG C.
Enter stokehold production spare part is assembled and adjusted, can avoid producing folding in the operation of rolling or scratch, destruction Product surface, forms the crackle of cracking.
5th, crin drawing：（1）, wire drawing skidding technological requirement：Before operation, parcel is first put into the lubricant for preparing（See Table -1）In be lubricated, be sufficiently stirred for, coating uniform.Parcel after lubrication should uniformly be spread out, carry out Exposure to Sunlight and dry or dry.
Lubricant formulation ratio
Raw material title Technical requirements Quantity（kg）
Graphite powder 200-300# 50
Machine oil 20# 50
Soap 5
Lime 10
Water 500
Table -1
（2）, with mold technique requirement：Need to be required according to size, select the mould of suitable pass, it is as follows with mold technique standard：
Unit（mm）" * " represents annealing（Annealing temperature referring to《Well vacuum electric furnace is heat-treated（Annealing）List》）
￠ 18.0*-￠ 17.0*-￠ 16.0*-￠ 15.0*-￠ 14.0*-￠ 13.0*-￠ 10.0* and ￠ 8.5
Well vacuum electric furnace is heat-treated（Annealing）List
Classification State Specification mm Heating-up temperature DEG C Soaking time The type of cooling
Nickel-base alloy Semi-finished product >=￠ 8 800-850 >=40 minutes Air cooling
6th, sour openpore material：After verification material trademark, submergence in pickling tube is put into after material is dissipated into bundle, pickling concentration is with the weight of complex acid Amount is calculated, with sulfuric acid immersion, salt acid rinse to white, 30-70 DEG C of pickling temperature, pickling time 20-35 minutes, the base after pickling Material must embathe with high pressure water flushing wash clean, dry, conveniently find out face crack.
Blank pickle is matched：
Pickle is matched Concentration % Temperature DEG C Time
15 30-50 10-20
Pickle is matched Concentration % Temperature DEG C Time
30 50-70 10-15
7th, polishing deburring：Material surface situation is checked, if any surface defect（Such as flash, foreskin, crackle）, entered with portable emery wheel Row reconditioning is processed, and is noted with good protection tool.
8th, make annealing treatment：Crin is placed in well annealing furnace and is made annealing treatment, temperature is protected at 800 DEG C -850 DEG C Warm 1-2 hour.
9th, pickling test：With sulfuric acid immersion, salt acid rinse to white, 50-80 DEG C of pickling temperature, pickling time 8-15 points Clock.Material surface situation is checked, light pruning is carried out with portable emery wheel, it is desirable to which surface defect depth is no more than 0.5mm.
Pickle is matched Concentration % Temperature DEG C Time
15 30-50 3-15
Pickle is matched Concentration % Temperature DEG C Time
30 50-70 5-10
10th, finish draw：
（1）, wire drawing skidding technological requirement：Before operation, parcel is first put into the lubricant for preparing（It is shown in Table -1）In be lubricated, It is sufficiently stirred for, coating uniform.Parcel after lubrication should uniformly be spread out, carry out Exposure to Sunlight and dry or dry.
With mold technique requirement：Need to be required according to size, select the mould of suitable pass, it is as follows with mold technique standard：
Unit（mm）" * " represents annealing（Annealing temperature referring to《The treatment of well vacuum electric furnace（Annealing）List》）
￠ 18.0*-￠ 17.0*-￠ 16.0*-￠ 15.0*-￠ 14.0*-￠ 13.0*-￠ 10.0* and ￠ 8.5
（2）, finish draw：Often drawing next specification all needs to carry out pickling test, reconditioning treatment.
11st, it is heat-treated：Silk material after will be cold drawn is heat-treated in being placed on well formula argon gas protection bright annealing furnace, at heat At 800 DEG C -850 DEG C, air cooling after 1-2 hour of insulation discharges reason temperature.
The resonant rod cold-heading silk produced with the present invention, that is, the requirement of hardness and the coefficient of expansion needed for meeting resonant rod, Disclosure satisfy that the requirement of cold-heading processing again simultaneously.Our chemical composition, surface defect, the equipment from the steel of influence cold-heading steel quality Adjustment, grain size and the big factor of milling method 4 are set out, and are effectively improved using ZGHL0.25-250-1 type vacuum induction melting furnaces The degree of purity and uniform texture of steel alloy, improve surface, the inherent quality of steel ingot, improve the performance of steel alloy, Reduce the content of nonmetallic inclusionsin steel and the gas content of H, O；Enter stokehold production spare part is assembled and adjusted, Avoid being produced in the operation of rolling as far as possible and fold or scratch, destroy product surface；Bright annealing furnace is protected to enter using well formula argon gas Row deoxidation, crystal grain thinning, expand the deflection of steel, elongation percentage, the contraction percentage of area, preferable plasticity and toughness higher and strong Degree；The crackle of cracking is formed by carrying out to blank pickling, reconditioning, annealing, drawing repeatedly, accomplishes surface zero-fault, effectively Ensure that cold-heading silk lumber recovery.

Claims (1)

1. a kind of resonant rod of RF device with invar cold-heading silk production method, it is characterised in that：
The mass percent of each composition that cold-heading silk includes is：Nickel：35-37%, manganese：0.2-0.6%, silicon:≤ 0.3%, phosphorus： ≤ 0.2%, carbon：≤ 0.05%, sulphur：≤ 0.02%, iron：Surplus；
The production method of described cold-heading silk, comprises the following steps：
1）Vacuum melting：Ni plates, metallic silicon, Mn, pure Fe are fitted into carries out melting in vacuum induction melting furnace, melt gross mass Power high speed melt is increased after 70%, enters refining period after 1500 DEG C of refining temperature to be achieved after fine melt, refining is kept for 30 points Clock, the refining later stage turns low vacuum to 103—10-1Pa, stirs 1 minute and taps, and pours injecting electrode；
2）Electroslag remelting：It is 1 with mass ratio：1 fluorite prepares striking agent with titanium dioxide, uses CaF2、Al2O3Made with CaO Remelting electroslag system, wherein, the mass percent of three is：CaF2:65%-75%, Al2O3:15%-25%, CaO:Surplus；Dress Stove, striking slag making, smelting, feeding, cooling, are made steel ingot base；Wherein, the step of smelting is：Plus during slag spoon do not allow and The slag charge that crystallizer, electrode bar are contacted simultaneously or slag spoon is disorderly smash on crystallizer, striking electric current is 500-1500A, after slag fine melt again Normally smelted, control electric current 2500-3000A, voltage 38-41V makes electrode melting, untill crystallizer is filled；
3）Hammer cogging：Steel ingot base is heated to 850 DEG C by room temperature, preheats 30-50 minutes；It is warmed up to 1000-1150 DEG C, insulation 40-50 minutes；Reach forging temperature, initial forging temperature >=1100 DEG C, final forging temperature >=950 DEG C；
4）Hot-roll forming：Material loads the temperature of annealing furnace：≤600℃；Heating-up time >=120 minute；Heating-up temperature：1000- 1150℃；Soaking time：>=30 minutes, the beginning rolled temperature：≥1180℃；Finishing temperature >=950 DEG C；
5）Crin drawing：Before operation, first carry out, with mould, drawing process being carried out with glomerocryst mould by deformation requirements；
6）Sour openpore material：With sulfuric acid immersion, salt acid rinse to white, 30-70 DEG C of pickling temperature, pickling time 20-35min；
7）Polishing deburring：Material surface situation is checked, and reconditioning treatment is carried out to surface defect；
8）Annealing：Annealing temperature is incubated 1-2 hour at 800 DEG C -850 DEG C；
9）Pickling test：With sulfuric acid immersion, salt acid rinse to white, 50-80 DEG C of pickling temperature, pickling time 8-15min；Check Material surface situation, artificial reconditioning is carried out with portable emery wheel, it is desirable to which surface defect depth is no more than 0.5mm；
10）Finish draw；
11）Heat treatment：At 800 DEG C -850 DEG C, air cooling after 1-2 hour of insulation discharges heat treatment temperature.
CN201710101980.8A 2014-06-11 2014-06-11 Using the production method of the invar cold-heading silk of electroslag remelting process Pending CN106868405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710101980.8A CN106868405A (en) 2014-06-11 2014-06-11 Using the production method of the invar cold-heading silk of electroslag remelting process

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410255452.4A CN105220067B (en) 2014-06-11 2014-06-11 The resonant rod of the radio-frequency (RF) device production method of invar cold-heading silk
CN201710101980.8A CN106868405A (en) 2014-06-11 2014-06-11 Using the production method of the invar cold-heading silk of electroslag remelting process

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201410255452.4A Division CN105220067B (en) 2014-06-11 2014-06-11 The resonant rod of the radio-frequency (RF) device production method of invar cold-heading silk

Publications (1)

Publication Number Publication Date
CN106868405A true CN106868405A (en) 2017-06-20

Family

ID=54989331

Family Applications (8)

Application Number Title Priority Date Filing Date
CN201710101980.8A Pending CN106868405A (en) 2014-06-11 2014-06-11 Using the production method of the invar cold-heading silk of electroslag remelting process
CN201710101999.2A Pending CN106868407A (en) 2014-06-11 2014-06-11 The resonant rod of the RF device of vacuum melting with invar cold-heading silk production method
CN201410255452.4A Active CN105220067B (en) 2014-06-11 2014-06-11 The resonant rod of the radio-frequency (RF) device production method of invar cold-heading silk
CN201710101993.5A Active CN106893937B (en) 2014-06-11 2014-06-11 Using the resonant rod of vacuum melting and electroslag remelting process invar cold-heading silk
CN201710101997.3A Pending CN106834950A (en) 2014-06-11 2014-06-11 A kind of production method of invar cold-heading silk
CN201710101979.5A Active CN106893936B (en) 2014-06-11 2014-06-11 The production method of the resonant rod of the RF device of vacuum melting invar cold-heading silk
CN201710101998.8A Pending CN106868406A (en) 2014-06-11 2014-06-11 The resonant rod of lumber recovery RF device higher with invar cold-heading silk production method
CN201710102000.6A Pending CN106834951A (en) 2014-06-11 2014-06-11 A kind of resonant rod of RF device invar cold-heading silk

Family Applications After (7)

Application Number Title Priority Date Filing Date
CN201710101999.2A Pending CN106868407A (en) 2014-06-11 2014-06-11 The resonant rod of the RF device of vacuum melting with invar cold-heading silk production method
CN201410255452.4A Active CN105220067B (en) 2014-06-11 2014-06-11 The resonant rod of the radio-frequency (RF) device production method of invar cold-heading silk
CN201710101993.5A Active CN106893937B (en) 2014-06-11 2014-06-11 Using the resonant rod of vacuum melting and electroslag remelting process invar cold-heading silk
CN201710101997.3A Pending CN106834950A (en) 2014-06-11 2014-06-11 A kind of production method of invar cold-heading silk
CN201710101979.5A Active CN106893936B (en) 2014-06-11 2014-06-11 The production method of the resonant rod of the RF device of vacuum melting invar cold-heading silk
CN201710101998.8A Pending CN106868406A (en) 2014-06-11 2014-06-11 The resonant rod of lumber recovery RF device higher with invar cold-heading silk production method
CN201710102000.6A Pending CN106834951A (en) 2014-06-11 2014-06-11 A kind of resonant rod of RF device invar cold-heading silk

Country Status (1)

Country Link
CN (8) CN106868405A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113621865B (en) * 2020-05-06 2022-06-28 宝山钢铁股份有限公司 Process method for smelting steel for superfine carborundum wire
CN113234989B (en) * 2021-05-07 2022-01-11 西安钢研功能材料股份有限公司 Preparation method of invar alloy plate based on fine grain strengthening
CN113293387A (en) * 2021-05-28 2021-08-24 金川集团股份有限公司 Drawing and pickling process for removing oxide skin of nickel/nickel alloy wire
CN114130849B (en) * 2021-11-05 2024-01-05 河钢股份有限公司 Production method of Yan Gangsi material with high surface quality
CN115652182B (en) * 2022-11-04 2024-02-02 江苏隆达超合金航材有限公司 Method for controlling gas and inclusion in Invar36 alloy
CN116987976B (en) * 2023-09-25 2024-01-02 安泰科技股份有限公司 Iron-nickel-based precise alloy material for FMM mask, alloy strip and smelting method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230120A (en) * 2011-06-20 2011-11-02 丹阳市龙鑫合金有限公司 High-performance elastic alloy material for aerial hyperbaric cabin and production method thereof
CN103357695A (en) * 2013-07-31 2013-10-23 中钢集团郑州奥威钢线科技有限公司 Processing method for flat wire used for tensioning wheel of engine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3940438C1 (en) * 1989-12-07 1991-05-23 Vereinigte Schmiedewerke Gmbh, 4630 Bochum, De
JPH11310853A (en) * 1998-04-30 1999-11-09 Dainippon Printing Co Ltd Extensive mask for color cathode ray tube
CN1343796A (en) * 2000-09-16 2002-04-10 江苏江河集团电力工程公司 Process for preparing carrier metal of tail gas cleaner for motor-driven vehicle and its product
JP2004018961A (en) * 2002-06-18 2004-01-22 Jfe Steel Kk High-strength low-thermal-expansion alloy thin-sheet superior in strength and magnetic property, and manufacturing method therefor
CN102251191B (en) * 2011-07-21 2016-03-09 重庆仪表材料研究所 The preparation method of a kind of Martensite Stainless Steel and stainless steel bandlet thereof
CN103725970B (en) * 2011-08-11 2016-01-20 丹阳市华龙特钢有限公司 The preparation method of the locomotive braking resistance belt containing titanium elements

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102230120A (en) * 2011-06-20 2011-11-02 丹阳市龙鑫合金有限公司 High-performance elastic alloy material for aerial hyperbaric cabin and production method thereof
CN103357695A (en) * 2013-07-31 2013-10-23 中钢集团郑州奥威钢线科技有限公司 Processing method for flat wire used for tensioning wheel of engine

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
佟晓静: ""4J36低膨胀合金及其工艺性"", 《机械》 *
王振东: "《感应炉冶金工艺技术》", 30 November 2011, 机械工业出版社 *

Also Published As

Publication number Publication date
CN106893936A (en) 2017-06-27
CN106834951A (en) 2017-06-13
CN106893936B (en) 2018-11-30
CN106868406A (en) 2017-06-20
CN106893937B (en) 2018-11-27
CN106834950A (en) 2017-06-13
CN106893937A (en) 2017-06-27
CN105220067A (en) 2016-01-06
CN106868407A (en) 2017-06-20
CN105220067B (en) 2017-03-01

Similar Documents

Publication Publication Date Title
CN105220067B (en) The resonant rod of the radio-frequency (RF) device production method of invar cold-heading silk
JP6574307B2 (en) High toughness seamless steel pipe and manufacturing method thereof
CN100436045C (en) Manufacturing method for annular forging piece
CN105316575B (en) Cold-heading wire for resonance rod and production method thereof
CN110935827B (en) Forging method of large-specification fine-grain austenitic stainless steel SNCrW bar
CN105274429A (en) Production method for alloy filament
CN102230120A (en) High-performance elastic alloy material for aerial hyperbaric cabin and production method thereof
CN108672625A (en) A kind of processing method producing multi-step cold roll base using diameter forging machine
CN113210455A (en) Preparation method of high-temperature-resistant wear-resistant cobalt-based alloy wire
CN105200267B (en) Lithium battery rivet pure nickel N6 and its production method
CN107557682A (en) One kind 3 ~ 6mm 540MPa level hot rolling wheel steels and its production method
CN101333627A (en) Stainless steel wire rod for standard parts and method for manufacturing same
CN105274428A (en) Production method for alloy filament with zero defect on surface
CN105950972A (en) Thick-specification X80 pipeline steel plate with process time being shortened and manufacturing method thereof
CN107354379A (en) One kind 3 ~ 6mm 590MPa level hot rolling wheel steels and its production method
CN112501382B (en) Preparation method of carbon tool steel for obtaining low-net-shaped carbide
WO2022174530A1 (en) Free-cutting and non-quenched and tempered steel, and manufacturing method therefor
CN101905407A (en) Producing process of large-diameter core rod for rolling of mandrel pipe mill
CN105200311A (en) 4J42 alloy wire for discharge tube electrode and production method thereof
CN107119237A (en) The production method of Q690D medium plates and reduction Q690D medium plate energy consumptions
CN105215077A (en) A kind of production method of cold-heading silk
CN105177357A (en) Production method of pure nickel N6 used for lithium battery rivets and having higher qualified product ratio
CN105200312A (en) High-yield production method for 4J42 alloy wire for discharge tube electrode
CN114635023A (en) Production method of martensite heat-resistant steel blank
CN110777302B (en) Method for producing 2GPa hot forming steel by FTSC thin slab production line

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170620