CN105215077A - A kind of production method of cold-heading silk - Google Patents
A kind of production method of cold-heading silk Download PDFInfo
- Publication number
- CN105215077A CN105215077A CN201410255848.9A CN201410255848A CN105215077A CN 105215077 A CN105215077 A CN 105215077A CN 201410255848 A CN201410255848 A CN 201410255848A CN 105215077 A CN105215077 A CN 105215077A
- Authority
- CN
- China
- Prior art keywords
- cold
- production method
- heading
- silk
- heading silk
- 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
Links
Abstract
The present invention relates to resonant rod cold-heading silk and production method thereof, 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 comprises the following steps: 1) vacuum melting; 2) electroslag remelting; 3) cogging is forged; 4) hot-roll forming; 5) crin drawing; 6) sour openpore material; 7) polishing deburring; 8) annealing in process; 9) pickling inspection; 10) finish draw; 11) heat treatment.Cold-heading silk in the present invention guarantees to meet the requirement of hardness needed for resonant rod and the coefficient of expansion from proportioning and production method, has good toughness simultaneously, can meet the requirement of cold-heading processing.Not only increase working (machining) efficiency, more improve the utilization rate of material, reduce loss and the manufacturing cost of Product processing.This production method comprises vacuum melting operation, can make the H in cold-heading silk
2, O gas content greatly reduce, well control the formation of nonmetallic inclusion, further increase purity and plasticity, the toughness of cold-heading silk, improve cold-heading silk material processing lumber recovery.
Description
Technical field
The present invention relates to the production method of the resonant rod invar cold-heading silk of RF device, meet the requirement of required hardness that resonant rod is suitable for and the coefficient of expansion, and material and the production method thereof of cold-heading processing can be met, especially about the improvement of the Ni-based 4J36 of expansion alloy material.
Background technology
Along with mobile communication business develop rapidly, RF device becomes product indispensable in the construction of communication base station, and applies to resonant rod product in a large number in RF device.Resonant rod is as the core component of RF device, bar is adopted to carry out lathe turning processing because its required precision is higher for many years, but in recent years along with domestic and international communications industry further develops the acceleration of cracking the international market with home communications main equipment business, the market demand of radio-frequency devices is increasing, and manufacture resonant rod at present and all adopt Digit Control Machine Tool (CNC) to carry out machining to resonant rod, therefore the problem brought is that rapidoprint waste is serious, stock utilization only has 60% ~ 70%, and process time is longer, working (machining) efficiency is only 30 ~ 40/hour.The working (machining) efficiency of resonant rod becomes restriction client improving product output, reduces the obstacle of every cost.Find in the research and practice process of prior art: 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 copper, aluminium, carbon steel, steel alloy, stainless steel and titanium alloy etc., and stock utilization can reach 80 ~ 90%, not only increases working (machining) efficiency, more saves material, reduces cost of goods manufactured.And existing resonant rod material is owing to will meet the requirement of hardness and the coefficient of expansion, therefore it can not adopt cold-heading method to carry out simultaneous manufacturing.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of RF device
resonant rod is usedinvar
the production method of cold-heading silk, to obtainmeet the requirement of hardness needed for the resonant rod in RF device and the coefficient of expansion, the cold-heading silk of the requirement of cold-heading processing can be met simultaneously.
Inventive concept: suitably adjust original 4J36 expansion alloy material composition in GB allowed band, incorporate new production method.
For solving the problems of the technologies described above, 4J36 expansion alloy material selected by described cold-heading silk, and its each component comprised is (wt.% represents): 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: vacuum melting → electroslag remelting → forge cogging → hot-roll forming → crin drawing → sour openpore material → polishing deburring → annealing in process → pickling test → cold drawn → heat treatment, wherein:
1) vacuum melting: raw material Jinchuan Ni plate, metallic silicon, Mn, pure Fe are loaded after baking in the ZGHL0.25-250-1 type vacuum induction melting furnace of east, Jinzhou electric furnace Co., Ltd production and carry out melting, high-power high speed melt is added after melting 70% of gross mass, when entering refining period after refining temperature 1460-1660 DEG C to be achieved after fine melt (preferably 1500 DEG C), refining keeps 30 minutes, and the refining later stage turns low vacuum (10
3-10
-1pa), tapping in high-power stirring 1-3 minute, waters injecting electrode.
2) electroslag remelting: be that the fluorite of 1:1 and titanium dioxide prepare striking agent with mass ratio, uses CaF
2, Al
2o
3make remelting electroslag system with CaO, wherein, the mass percent of three is: CaF
2: 65%-75%, Al
2o
3: 15%-25%, CaO: surplus; Shove charge, striking slag making, smelting, feeding, cooling, make steel ingot base; When adding slag, spoon does not allow to contact with crystallizer, electrode bar or slag charge on crystallizer disorderly smash by slag spoon simultaneously, striking electric current is 500-1500A, normally smelt again after slag fine melt, control electric current 2500-3000A, voltage 38-41V, make electrode melting, until crystallizer is filled, smelting finishes carries out feeding, the de-ingot air cooling of remelted ingot cooling.
Described vacuum metling operation and electroslag remelting operation, the ZGHL0.25-250-1 type vacuum induction melting furnace used improves degree of purity and the uniform texture of steel alloy effectively, improve the surface of steel ingot, inherent quality, improve the performance of steel alloy, reduce further the generation of nonmetallic inclusionsin steel.
3) cogging is forged:
(1) preheating: steel ingot base is heated to 850 DEG C by room temperature, preheating 30-50 minute;
(2) heat up: be warmed up to 1050-1150 DEG C and turn over ingot blank, insulation 40-50 minute;
(3) be incubated: when reaching forging temperature, initial forging temperature >=1100 DEG C, final forging temperature >=950 DEG C.
(4) forging: adopt the second light industry bureau one weight, two uniform maneuvers make steel ingot.
Described forging forges to start to touch with less deflection, improve rear bang of taking the circumstances into consideration etc. plasticity, touch again when closing on final forging temperature, require that distortion is even, avoid repeatedly clashing at same position, forge in process and want duty to stand up, diligent charging, it is wide that each inlet amount should be less than brill, be greater than drafts, avoid producing hammering and folding, deface, affects the quality of cold-forging steel.
4) hot-roll forming: material loads the temperature of annealing furnace :≤600 DEG C; Heating-up time >=120 minutes; Heating-up temperature: 1100-1150 DEG C; Temperature retention time: >=30 minutes, begins to roll temperature: >=1100 DEG C; Finishing temperature >=950 DEG C.
Above-mentioned hot-rolled process, enters stokehold and assembles production spare part and adjust, and can avoid producing folding in the operation of rolling or scratching, destroy product surface, form the crackle of cracking.
5) crin drawing: before operation, first carries out joining mould, carries out drawing process by deformation requirements glomerocryst mould.
Described crin drawing procedure, according to dimensional requirement, need select the mould of suitable pass, and it is as follows to join mold technique standard:
Unit (mm) " * " represents annealing (annealing temperature is see " well vacuum electric furnace heat treatment (annealing) list ")
￠ 18.0*-￠ 17.0*-￠ 16.0*-￠ 15.0*-￠ 14.0*-￠ 13.0*-￠ 10.0* and ￠ 8.5*
Well vacuum electric furnace heat treatment (annealing) list
| Classification | State | Specification mm | Heating-up temperature DEG C | Temperature retention 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, pickling temperature 30-70 DEG C, pickling time 20-35 minute.Blank pickle proportioning:
| Pickle proportioning | Concentration % | Temperature DEG C | Time |
| HCL:HNO 3:H 2O=1:1: surplus | 15 | 30-50 | 10-20 |
| Pickle proportioning | Concentration % | Temperature DEG C | Time |
| H 2SO 4:HNO 3:NaCl:H 2O=4:1:1: surplus | 30 | 50-70 | 10-15 |
Described pickling process, concentration is with the Weight computation of complex acid, and the blank after pickling must embathe and high pressure water flushing wash clean, conveniently finds out face crack.
7) polishing deburring: check material surface situation, if any blemish (as burr, foreskin, crackle), carry out reconditioning process with portable emery wheel.
8) annealing in process: be placed on by crin in pit type annealing furnace and carry out annealing in process, temperature, at 800 DEG C-850 DEG C, is incubated 1-2 hour.
9) pickling test: with sulfuric acid immersion, salt acid rinse to white, pickling temperature 50-80 DEG C, pickling time 8-15 minute.Check material surface situation, carry out light pruning with portable emery wheel, require that the blemish degree of depth is no more than 0.5mm.
10) finish draw: (1) joins mould: according to dimensional requirement, the mould of suitable pass need be selected, it is as follows to join mold technique standard:
Unit (mm) " * " represents annealing (annealing temperature is see " well vacuum electric furnace process (annealing) list "),
￠ 18.0*-￠ 17.0*-￠ 16.0*-￠ 15.0*-￠ 14.0*-￠ 13.0*-￠ 10.0* and ￠ 8.5.
(2) finish draw: often draw next specification all to need to carry out pickling test, reconditioning process.
11) heat treatment: be placed in well formula argon shield bright annealing furnace by the silk material after cold drawn and heat-treat, heat treatment temperature is at 800 DEG C-850 DEG C, and insulation is air cooling after 1-2 hour, discharging.
Above-mentioned annealing heat treatment and heat treatment, can improve or eliminate steel casting, forge, the various tissues disappearance that causes in the process such as rolling and residual stress, and crystal grain thinning, stress is prevented to concentrate, thus reduce the cracking probability of cold-forging steel, larger deflection can be born, there is larger percentage elongation, the contraction percentage of area, preferably plasticity and higher toughness and intensity.
The present invention is from affecting the chemical composition of steel of cold-forging steel quality, blemish, equipment adjustment, grain size and the large factor of milling method 4, ZGHL0.25-250-1 type vacuum induction melting furnace is used effectively to improve degree of purity and the uniform texture of steel alloy, improve the surface of steel ingot, inherent quality, improve the performance of steel alloy, reduce the content of nonmetallic inclusionsin steel and the gas content of H, O; Deoxidation, crystal grain thinning, expand the deflection of steel, percentage elongation, the contraction percentage of area, preferably plasticity and higher toughness and intensity; Enter stokehold to assemble production spare part and adjust, can avoid producing folding in the operation of rolling or scratching, destroy product surface, the crackle forming cracking, by carrying out pickling repeatedly, reconditioning, annealing, drawing to blank, accomplishes surperficial zero-fault.Find through the actual processing of client, namely this material meets the requirement of hardness and the coefficient of expansion, and cold-heading method can be adopted again to carry out simultaneous manufacturing.Stock utilization can reach 95%, not only increases working (machining) efficiency, more saves material, reduces cost of goods manufactured.
Detailed description of the invention
Embodiment 1
Resonant rod cold-heading silk, its chemical composition is (wt.% represents): 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.% represents): 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.% represents): 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 embodiment 1-3 comprises the following steps:
1, vacuum melting:
(1), raw material prepares: described furnace charge is Jinchuan Ni plate, metallic silicon, Mn, Ultra-low carbon and technical pure Fe material, for subsequent use after baking;
(2), feed: in vacuum induction melting furnace, load Jinchuan Ni plate, metallic silicon, Mn, Ultra-low carbon and technical pure Fe furnace charge for subsequent use after baking;
(3), refining: low-power material, melt after 70% and add high-power high speed melt, when entering refining period after refining temperature 1500 DEG C to be achieved after fine melt, refining keeps 30 minutes;
(4), pour into a mould: the refining later stage turns low vacuum (10
3-10
-1pa), high-power stirring tapping in a minute, waters injecting electrode.
2, electroslag remelting:
(1), the allotment of striking agent and remelting electroslag system: be that the fluorite of 1:1 and titanium dioxide prepare striking agent with mass ratio, use CaF
2, Al
2o
3remelting electroslag system is made with CaO;
(2), shove charge: chassis, striking agent, crystallizer and electrode are installed, necessary first water flowing before dress crystallizer, and check with or without drainage, pad powder on trying to get to the heart of a matter and must be tight between crystallizer, pad powder inner ring will circle as far as possible, water tank face wants dry, clean, puts striking agent, to ensure its electric conductivity;
(3), striking slag making: reduce electrode and electrode is contacted with striking agent, complete striking work, striking agent is melted, add remelting electroslag system;
(4), smelt: when adding slag, spoon does not allow to contact with crystallizer, electrode bar or slag charge on crystallizer disorderly smash by slag spoon simultaneously, striking electric current is 500-1500A, normally smelt again after slag fine melt, control electric current 2500-3000A, voltage 38-41V, make electrode melting, until crystallizer is filled;
(5), feeding cooling: smelting finishes carries out feeding, feeding electric current diminishes gradually, until current value becomes 0, and feeding time 3-5 minute, electroslag face more than 3cm is left in electrode rising could have a power failure, de-ingot air cooling after remelted ingot cools 30 minutes in a crystallizer.
3, cogging is forged: (1), preheating: steel ingot base is heated to 850 DEG C by room temperature, answers slow heat, preheating 30-50 minute;
(2), heat up: steel nail base Fast Heating is warmed up to 1050-1150 DEG C, and duty turns over ingot blank, makes its equalizing temperature, insulation 40-50 minute;
(3), be incubated: reach when forging temperature and be incubated, be incubated and forge for 20 minutes, initial forging temperature is 1100 DEG C, and final forging temperature is 950 DEG C.
(4), forging: forging adopts the second light industry bureau one weight, and two uniform maneuvers make steel ingot.Forge the slag, rubbish etc. that start in front and process, to clear up surface in time, first touch with less deflection, improve rear bang of taking the circumstances into consideration etc. plasticity, touch again when closing on final forging temperature, require that distortion evenly, avoids repeatedly clashing at same position, forge in process and want duty to stand up, diligent charging, it is wide that each inlet amount should be less than brill, is greater than drafts, avoids producing hammering and folding, deface, affects the quality of cold-forging steel.
4, hot-roll forming:
(1), material loads the temperature of annealing furnace :≤600 DEG C;
(2), heating-up time >=120 minutes;
(3), heating-up temperature: 1100-1150 DEG C;
(4), temperature retention time: >=30 minutes;
(5), begin to roll temperature: >=1100 DEG C;
(6), finishing temperature >=950 DEG C.
Enter stokehold to assemble production spare part and adjust, can avoid producing folding in the operation of rolling or scratching, destroy product surface, form the crackle of cracking.
5, crin drawing: (1), wire drawing skidding technological requirement: before operation, first puts into the lubricant (see table-1) prepared and lubricates, fully stir, coating uniform by parcel.Parcel after lubrication should evenly be spread out, carries out Exposure to Sunlight and dries or dry.
Lubricant formulation ratio
| Raw material title | Technical requirement | Quantity (kg) |
| Graphite powder | 200-300# | 50 |
| Machine oil | 20# | 50 |
| Soap | 5 | |
| Lime | 10 | |
| Water | 500 |
Table-1
(2), join mold technique requirement: according to dimensional requirement, need select the mould of suitable pass, it is as follows to join mold technique standard:
Unit (mm) " * " represents annealing (annealing temperature is see " well vacuum electric furnace heat treatment (annealing) list ")
￠ 18.0*-￠ 17.0*-￠ 16.0*-￠ 15.0*-￠ 14.0*-￠ 13.0*-￠ 10.0* and ￠ 8.5
Well vacuum electric furnace heat treatment (annealing) list
| Classification | State | Specification mm | Heating-up temperature DEG C | Temperature retention time | The type of cooling |
| Nickel-base alloy | Semi-finished product | ≥￠8 | 800-850 | >=40 minutes | Air cooling |
6, sour openpore material: after checking material trademark, pickling tube submergence is put into by after loose for material bundle, pickling concentration is with the Weight computation of complex acid, with sulfuric acid immersion, salt acid rinse to white, pickling temperature 30-70 DEG C, pickling time 20-35 minute, the blank after pickling must embathe with high pressure water flushing wash clean, dry, and conveniently finds out face crack.
Blank pickle proportioning:
| Pickle proportioning | Concentration % | Temperature DEG C | Time |
| HCL:HNO 3:H 2O=1:1: surplus | 15 | 30-50 | 10-20 |
| Pickle proportioning | Concentration % | Temperature DEG C | Time |
| H 2SO 4:HNO 3:NaCl:H 2O=4:1:1: surplus | 30 | 50-70 | 10-15 |
7, polishing deburring: check material surface situation, if any blemish (as burr, foreskin, crackle), carry out reconditioning process with portable emery wheel, notes being with protection tool.
8, annealing in process: be placed on by crin in well annealing furnace and carry out annealing in process, temperature, at 800 DEG C-850 DEG C, is incubated 1-2 hour.
9, pickling test: with sulfuric acid immersion, salt acid rinse to white, pickling temperature 50-80 DEG C, pickling time 8-15 minute.Check material surface situation, carry out light pruning with portable emery wheel, require that the blemish degree of depth is no more than 0.5mm.
| Pickle proportioning | Concentration % | Temperature DEG C | Time |
| HCL:HNO 3:H 2O=1:1: surplus | 15 | 30-50 | 3-15 |
| Pickle proportioning | Concentration % | Temperature DEG C | Time |
| H 2SO 4:HNO 3:NaCl:H 2O=4:1:1: surplus | 30 | 50-70 | 5-10 |
10, finish draw:
(1), wire drawing skidding technological requirement: before operation, first parcel is put into the lubricant (see figure-1) prepared and lubricate, fully stir, coating uniform.Parcel after lubrication should evenly be spread out, carries out Exposure to Sunlight and dries or dry.
Join mold technique requirement: according to dimensional requirement, need select the mould of suitable pass, it is as follows to join mold technique standard:
Unit (mm) " * " represents annealing (annealing temperature is see " well vacuum electric furnace process (annealing) list ")
￠ 18.0*-￠ 17.0*-￠ 16.0*-￠ 15.0*-￠ 14.0*-￠ 13.0*-￠ 10.0* and ￠ 8.5
(2), finish draw: often draw next specification all to need to carry out pickling test, reconditioning process.
11, heat treatment: be placed in well formula argon shield bright annealing furnace by the silk material after cold drawn and heat-treat, heat treatment temperature is at 800 DEG C-850 DEG C, and insulation is air cooling after 1-2 hour, discharging.
With the resonant rod cold-heading silk that the present invention produces, namely meet hardness needed for resonant rod and the requirement of the coefficient of expansion, the requirement that cold-heading is processed can be met again simultaneously.We are from affecting the chemical composition of steel of cold-forging steel quality, blemish, equipment adjustment, grain size and the large factor of milling method 4, ZGHL0.25-250-1 type vacuum induction melting furnace is used effectively to improve degree of purity and the uniform texture of steel alloy, improve the surface of steel ingot, inherent quality, improve the performance of steel alloy, reduce the content of nonmetallic inclusionsin steel and the gas content of H, O; Enter stokehold to assemble production spare part and adjust, avoid producing folding in the operation of rolling or scratching as far as possible, destroy product surface; Use well formula argon shield bright annealing furnace to carry out deoxidation, crystal grain thinning, expand the deflection of steel, percentage elongation, the contraction percentage of area, preferably plasticity and higher toughness and intensity; The crackle forming cracking, by carrying out pickling repeatedly, reconditioning, annealing, drawing to blank, accomplishes surperficial zero-fault, the strong lumber recovery that ensure that cold-heading silk.
Claims (1)
1. a production method for cold-heading silk, is characterized in that:
The mass percent of each composition that described cold-heading silk comprises is: nickel: 35-37%, manganese: 0.2-0.6%, silicon :≤0.3%, phosphorus :≤0.02%, carbon :≤0.05%, sulphur :≤0.02%, iron: surplus;
The production method of described cold-heading silk, comprises the following steps: vacuum melting → electroslag remelting → forge cogging → hot-roll forming → crin drawing → sour openpore material → polishing deburring → annealing in process → pickling test → cold drawn → heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255848.9A CN105215077A (en) | 2014-06-11 | 2014-06-11 | A kind of production method of cold-heading silk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255848.9A CN105215077A (en) | 2014-06-11 | 2014-06-11 | A kind of production method of cold-heading silk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105215077A true CN105215077A (en) | 2016-01-06 |
Family
ID=54984536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410255848.9A Pending CN105215077A (en) | 2014-06-11 | 2014-06-11 | A kind of production method of cold-heading silk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105215077A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311781A (en) * | 2016-09-28 | 2017-01-11 | 邢台钢铁有限责任公司 | Ultra-low carbon steel fine wire drawing method |
| CN115652182A (en) * | 2022-11-04 | 2023-01-31 | 江苏隆达超合金航材有限公司 | Method for controlling gas and inclusions in Invar36 alloy |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906573A (en) * | 2009-06-08 | 2010-12-08 | 北京麦格东方材料技术有限公司 | Alloy wire with wiedemann effect and preparation method thereof |
| US20120037283A1 (en) * | 2009-04-23 | 2012-02-16 | Posco | High-Strength, High-Toughness Steel Wire Rod, and Method for Manufacturing Same |
| CN103060542A (en) * | 2012-12-25 | 2013-04-24 | 攀钢集团江油长城特殊钢有限公司 | Manufacturing method for low expansion alloy wide and thick plate |
| CN103406352A (en) * | 2013-08-12 | 2013-11-27 | 山西太钢不锈钢股份有限公司 | Heating and rolling method of Ni36 nickel base alloy plate |
| CN103805870A (en) * | 2012-11-07 | 2014-05-21 | 丹阳市锦雄机械制造有限公司 | Stainless steel production method |
-
2014
- 2014-06-11 CN CN201410255848.9A patent/CN105215077A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120037283A1 (en) * | 2009-04-23 | 2012-02-16 | Posco | High-Strength, High-Toughness Steel Wire Rod, and Method for Manufacturing Same |
| CN101906573A (en) * | 2009-06-08 | 2010-12-08 | 北京麦格东方材料技术有限公司 | Alloy wire with wiedemann effect and preparation method thereof |
| CN103805870A (en) * | 2012-11-07 | 2014-05-21 | 丹阳市锦雄机械制造有限公司 | Stainless steel production method |
| CN103060542A (en) * | 2012-12-25 | 2013-04-24 | 攀钢集团江油长城特殊钢有限公司 | Manufacturing method for low expansion alloy wide and thick plate |
| CN103406352A (en) * | 2013-08-12 | 2013-11-27 | 山西太钢不锈钢股份有限公司 | Heating and rolling method of Ni36 nickel base alloy plate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106311781A (en) * | 2016-09-28 | 2017-01-11 | 邢台钢铁有限责任公司 | Ultra-low carbon steel fine wire drawing method |
| CN115652182A (en) * | 2022-11-04 | 2023-01-31 | 江苏隆达超合金航材有限公司 | Method for controlling gas and inclusions in Invar36 alloy |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100436045C (en) | Manufacturing method for annular forging piece | |
| CN105220067B (en) | The resonant rod of the radio-frequency (RF) device production method of invar cold-heading silk | |
| CN108672625B (en) | A kind of processing method using diameter forging machine production multi-step cold roll base | |
| CN103409642B (en) | Processing method of low yield ratio high strength titanium coiled plate for heat exchanger | |
| CN113210455B (en) | Preparation method of high-temperature-resistant wear-resistant cobalt-based alloy wire | |
| CN105274429A (en) | Production method for alloy filament | |
| CN102528382B (en) | Manufacture method of cold-rolled roller | |
| CN105316575B (en) | Cold-heading wire for resonance rod and production method thereof | |
| CN103469092A (en) | Production method for main shaft of fan by using 34CrNiMo6 steel as raw material | |
| CN106555108A (en) | The manufacture method of mining machinery gear ring and annular forging piece | |
| CN107557682A (en) | One kind 3 ~ 6mm 540MPa level hot rolling wheel steels and its production method | |
| CN105274428A (en) | Production method for alloy filament with zero defect on surface | |
| CN105200267A (en) | Pure nickel N6 for lithium battery rivets and production method thereof | |
| CN102965575A (en) | Ultra-fast cooling preparation method of 355MPa ship plate steel | |
| CN108441613A (en) | A kind of anti-white point control method of age-hardening plastic mould steel | |
| CN107354379A (en) | One kind 3 ~ 6mm 590MPa level hot rolling wheel steels and its production method | |
| CN110923522A (en) | Method for forming high-performance wide-width aluminum alloy plate | |
| CN101113749A (en) | Method for making high intensity non-magnetic non-corrodible steel tauten screw rod | |
| CN114015847A (en) | Method for producing 45 steel for direct cutting by controlled rolling and controlled cooling process | |
| 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 | |
| CN105215077A (en) | A kind of production method of cold-heading silk | |
| 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 | |
| CN111286678A (en) | High-sulfur non-quenched and tempered steel for automobile camshaft and production process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160106 |
|
| RJ01 | Rejection of invention patent application after publication |