CN103498075B - Preparation method of deformation-resistant high-temperature alloy and deformation-resistant high-temperature alloy part - Google Patents

Preparation method of deformation-resistant high-temperature alloy and deformation-resistant high-temperature alloy part Download PDF

Info

Publication number
CN103498075B
CN103498075B CN201310395183.7A CN201310395183A CN103498075B CN 103498075 B CN103498075 B CN 103498075B CN 201310395183 A CN201310395183 A CN 201310395183A CN 103498075 B CN103498075 B CN 103498075B
Authority
CN
China
Prior art keywords
preparation
melting
ingot
hot
male sportsman
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.)
Active
Application number
CN201310395183.7A
Other languages
Chinese (zh)
Other versions
CN103498075A (en
Inventor
王信才
韦家向
何云华
裴丙红
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.)
Pangang Group Jiangyou Changcheng Special Steel Co Ltd
Original Assignee
Pangang Group Jiangyou Changcheng Special Steel 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 Pangang Group Jiangyou Changcheng Special Steel Co Ltd filed Critical Pangang Group Jiangyou Changcheng Special Steel Co Ltd
Priority to CN201310395183.7A priority Critical patent/CN103498075B/en
Publication of CN103498075A publication Critical patent/CN103498075A/en
Application granted granted Critical
Publication of CN103498075B publication Critical patent/CN103498075B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention provides a deformation-resistant high-temperature alloy and a preparation method thereof. With the preparation method, quality of a deformation-resistant high-temperature alloy ingot is improved, thermo-plasticity of the deformation-resistant high-temperature alloy is improved, and cracking during a forging thermal processing process is prevented. The deformation-resistant high-temperature alloy comprises the contents of, by weight: no less than 0% and no more than 0.1% of C, no less than 16.5% and no more than 19.5% of Cr, no less than 13.5% and no more than 16.0% of Co, no less than 1.0% and no more than 2.0% of W, no less than 2.5% and no more than 3.5% of Mo, no less than 2.0% and no more than 3.0% of Al, no less than 4.5% and no more than 5.5% of Ti, no less than 0% and no more than 1.0% of Fe, no less than 0.01% and no more than 0.03% of B, no less than 0% and no more than 0.06% of Zr, no less than 0% and no more than 0.002% of S, no less than 0% and no more than 0.15% of Si, no less than 0% and no more than 0.15% of Mn, and balance of Ni and inevitable impurities.

Description

The preparation method of male sportsman and male sportsman part
Technical field
The present invention relates to alloy smelting field, specifically, relate to the preparation method of a kind of male sportsman and a kind of male sportsman part, this preparation method can improve the cracking in the quality of male sportsman part, the thermoplasticity improving male sportsman part and prevention forging hot procedure.
Background technology
When preparing male sportsman part, specifically, in the forging hot procedure of male sportsman part, resistance to deformation is large, and texturing temperature interval is narrow, hot-workability is poor, easily ftracture in thermal processing distortion process, need increase polishing number of times and hot-work fire just can become a useful person, thus reduce the lumber recovery of male sportsman part, add energy consumption and labour cost, even cause scrapping of whole steel ingot or blank, cause huge financial loss.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is to solve in above-mentioned prior art the one or more problems existed.
The object of the invention is to improve male sportsman clarity by optimizing smelting, casting process parameters and ingot shape, improve ingot quality, thus improve male sportsman thermoplasticity, and isothermal holding technique is carried out in forging hot procedure, adopt arc anvil (or V-type anvil) draw out technique and die forging jumping-up moulding process prevention forging hot procedure cracking, to reduce production cost and to improve lumber recovery, prepare qualified product.
According to an aspect of the present invention, provide a kind of male sportsman, the composition of described male sportsman is by weight percentage: 0%≤C≤0.1%, 16.5%≤Cr≤19.5%, 13.5%≤Co≤16.0%, 1.0%≤W≤2.0%, 2.5%≤Mo≤3.5%, 2.0%≤Al≤3.0%, 4.5%≤Ti≤5.5%, 0%≤Fe≤1.0%, 0.01%≤B≤0.03%, 0%≤Zr≤0.06%, 0%≤S≤0.002%, 0%≤Si≤0.15%, 0%≤Mn≤0.15%, surplus is Ni and other inevitable impurity.
The composition of described male sportsman is by weight percentage: C is 0.075%, Cr be 18.0%, Co be 15.0%, W be 1.5%, Mo be 3.0%, Al be 2.5%, Ti be 5%, B be 0.02%, Zr is 0.04%, and surplus is Ni and other inevitable impurity.
According to an aspect of the present invention, described in the preparation method providing a kind of male sportsman part, method comprises the steps: (a) melting, melting obtains the alloy of following composition: 0%≤C≤0.1%, 16.5%≤Cr≤19.5%, 13.5%≤Co≤16.0%, 1.0%≤W≤2.0%, 2.5%≤Mo≤3.5%, 2.0%≤Al≤3.0%, 4.5%≤Ti≤5.5%, 0%≤Fe≤1.0%, 0.01%≤B≤0.03%, 0%≤Zr≤0.06%, 0%≤S≤0.002%, 0%≤Si≤0.15%, 0%≤Mn≤0.15%, surplus is Ni and other inevitable impurity; B () is cast, adopt top teeming process casting; (c) remelting, melting voltage is 22V-30V, and melting electric current is 2000A-3000A, molten drop speed is that 3/s-6 drips/s, and adopts water-cooled and the type of cooling of filling helium gas cooling and combining, and is that 100Pa-200Pa explained hereafter goes out remelted ingot with helium pressure; D () hot-work is forged: after Heating Steel Ingots is come out of the stove, arrange isothermal holding technique before forging, described isothermal holding technique for sprinkle one deck glass powder in pure aluminium silicate insulating cotton, surface of steel ingot is bondd after one deck pure aluminium silicate insulating cotton carries out isothermal holding, adopt, without tensile stress arc anvil, draw out is carried out to steel ingot.
Melting step in described preparation method comprises charging by batches step, in the charging by batches step of described melting, except the C of 1/3 of easy scaling loss pantogen material C block weight and Al, Ti of 1/3 of starting material Al bar weight and micro alloying element B, Zr raw material, homogeneous the shove charge of other element raw material, unslaked lime is loaded with stove, after desulfurization removing nitric deoxygenation refining completes, add the C of 1/3 of easy scaling loss pantogen material C block weight and Al, Ti of 1/3 of starting material Al bar weight, tap and add B, Zr raw material in first 5 minutes.
Ingot shape in casting step process in described preparation method is
The ingot mould molten steel used in casting step process in described preparation method scalded, and top adds hot topping, and sprue gate and insulated feeder distance are less than 300mm, under keeping molten steel to become plume.
Reflow step in described preparation method obtains remelted ingot.
Hot-work forging step in described preparation method comprises carrying out carrying out time repetition of many fire without the step of tensile stress arc anvil draw out after carrying out isothermal holding.
After described preparation method has also been included in hot-work forging, by steel ingot draw out extremely 2mm, Linear cut goes steel ingot end to end and segmentation, obtains blank, with R=20mm car chamfering, after described isothermal holding technique, adopt swage collar pier thick, obtain the blank of 2mm × 100 ± 2mm, is of a size of after preparing machining the little diskware of male sportsman.
Accompanying drawing explanation
Fig. 1 is the vacuum induction melting graphic representation according to the embodiment of the present invention.
Embodiment
Below, embodiments of the invention are described in detail with reference to concrete example.
Exemplary embodiment of the present invention provides a kind of male sportsman.The composition of this male sportsman is by weight percentage: 0%≤C≤0.1%, 16.5%≤Cr≤19.5%, 13.5%≤Co≤16.0%, 1.0%≤W≤2.0%, 2.5%≤Mo≤3.5%, 2.0%≤Al≤3.0%, 4.5%≤Ti≤5.5%, 0%≤Fe≤1.0%, 0.01%≤B≤0.03%, 0%≤Zr≤0.06%, 0%≤S≤0.002%, 0%≤Si≤0.15%, 0%≤Mn≤0.15%, surplus is Ni and other inevitable impurity.
Preferably, the composition of male sportsman of the present invention is by weight percentage: C is 0.075%, Cr be 18.0%, Co is 15.0%, W is 1.5%, Mo be 3.0%, Al be 2.5%, Ti is 5%, B is 0.02%, Zr is 0.04%, and surplus is Ni and other inevitable impurity.
Male sportsman of the present invention is a kind of nickel base superalloy of difficulty distortion of high A1, Ti content, there is good tensile strength, high temperature resistant persistence and resistance to fatigue, particularly more than 900 DEG C, there is high strength, oxidation-resistance and structure stability, be mainly used to manufacture high thrust-weight ratio, high-efficiency engine turbine diskware, also can be used to manufacture overall gas turbine rotor, working temperature can reach 980 DEG C.Because the alloying level of male sportsman is high, especially itself A1 and Ti content summation can up to 7.5%, and the γ ' phase content of formation reaches about 45%, and this causes the easy component segregation of male sportsman and thermal processing distortion is difficult, easy to crack.
Present invention also offers a kind of preparation method of male sportsman part, this preparation method comprises melting, casting, remelting and hot-work forging.
First, melting obtains the alloy of following composition: 0%≤C≤0.1%, 16.5%≤Cr≤19.5%, 13.5%≤Co≤16.0%, 1.0%≤W≤2.0%, 2.5%≤Mo≤3.5%, 2.0%≤Al≤3.0%, 4.5%≤Ti≤5.5%, 0%≤Fe≤1.0%, 0.01%≤B≤0.03%, 0%≤Zr≤0.06%, 0%≤S≤0.002%, 0%≤Si≤0.15%, 0%≤Mn≤0.15%, surplus is Ni and other inevitable impurity.
Preferably, the electrode melting type of furnace adopted in fusion process can be 3000 pounds of vacuum induction furnaces, the selected high-quality high pure metal starting material when vacuum induction melting, and object is the harmful element content that minimizing starting material are brought into.
Preferably, to when filling with substance in smelting furnace, except the C of 1/3 of easy scaling loss pantogen material C block weight and the Al(of 1/3 of starting material Al bar weight is hereinafter referred to as 1/3C and 1/3Al), except Ti and micro alloying element (B, Zr etc.) raw material, homogeneous the shove charge of other element raw material, unslaked lime is loaded with stove, and press the principle charging of tight upper pine, prevent from building bridge in fusion process.Until suction reach≤1Pa time to electrification material, and adopt low power material.After starting material fusing completely, carry out great-power electromagnetic stirring, 1520 DEG C of-1540 DEG C of high temperature desulfurizings, extend soaking time, to reach the object of denitrogenation deoxidation.In the melting later stage, after desulfurization removing nitric deoxygenation refining completes, add easy scaling loss element 1/3C, 1/3Al, Ti, tap and add micro alloying element (B, Zr etc.) raw material in first 5 minutes, specifically see Fig. 1.
Specifically, as can be seen from the vacuum induction melting process curve shown in Fig. 1, add raw material in batches, and heat up to low power step type in fusion process.Specifically, temperature raises by the power in point some stages, often raises a temperature for some time, and such as, insulation 20min, this can make alloy raw material material well under low power, improves smelting quality when not increasing cost.
In the charging by batches step of described melting, except the raw materials such as easy scaling loss element 1/3C, 1/3Al, Ti and micro alloying element B, Zr, homogeneous the shove charge of other element raw material, unslaked lime is loaded with stove, temperature is increased to smelting temperature subsequently, treats that raw material carries out refining after all melting under the superpower of about 300KW.
Specifically, as shown in fig. 1, at 1520 DEG C-1540 DEG C, complete the refining of desulfurization removing nitric deoxidation.In the melting later stage, add easy scaling loss element 1/3C, extend soaking time, 60 minutes are incubated subsequently under the power condition of 150 ± 5KW, carrying out first time subsequently has a power failure conjunctiva, 60 minutes are incubated under the power condition of 150 ± 5KW, object is deoxidation, denitrogenation, and improve steel clarity at night, reach the object of refining, first time power failure conjunctiva is because the Al in subsequent smelting operation, it is the process of a fierce heat release that Ti adds, power failure conjunctiva object allows temperature lower, make Al, Ti adds fashionable, reduce its severity, prevent splash and temperature too high, follow-up smelting operation temperature is caused to control difficulty.After power failure conjunctiva the past period first time, continue to heat up, at 1520 DEG C-1540 DEG C, add 1/3Al, Ti element, be incubated 5 minutes, after being incubated under the power condition of the 150 ± 5KW of 20 minutes subsequently, carrying out second time subsequently and to have a power failure temperature adjustment.Under the power condition of the 150 ± 5KW of 20 minutes, insulation can slough the impurity element such as oxygen, nitrogen further, improve molten steel purity, second time power failure temperature adjustment is for the temperature of subsequent operations tapping is prepared, and then adjustment molten steel temperature is that follow-up charged tapping creates conditions.After this, applying argon gas, after treating that argon gas reaches 26665Pa, prepares tapping, within first 5 minutes, adds B, Zr raw material, charged tapping at the temperature of 1400 DEG C-1430 DEG C in tapping.
Preferably, the parameter adopted according to the casting process of the optimization of the embodiment of the present invention can be as follows: ingot shape is top teeming process is poured into a mould; Ingot mould must scald with molten steel, and clean rustless, top adds hot topping; Casting charged tapping under vacuo, pouring gate and insulated feeder distance are less than 300mm, under keeping molten steel to become plume, control casting rate and filling quality; Casting rear mold cool time need be greater than 1h.
So far, exemplary embodiment according to the present invention by optimizing melting, that casting process parameter obtains low-sulfur low nitrogen hypoxemia high clarity is the second best in quality electrode bar.
Electrode bar needs polishing, carries out vacuum arc remelting after can carrying out surperficial car light and the appropriate filled end of excision when being optionally necessary.According to the present invention, model can be adopted to be the vacuum arc remelting furnace of VAR660P7Ti.
The technique means that polishing and the method for car light can use those skilled in the art to commonly use, as long as can meet the demand of the quality to steel.
Preferably, in vacuum arc remelting process, control that melting voltage is 22V-30V, melting electric current is 2000A-3000A, molten drop speed is that 3/s-6 drips/s, and adopt water-cooled and fill the type of cooling that helium gas cooling combines and cool, wherein, helium pressure is 100Pa-200Pa, produces the second best in quality of the tiny and low component segregation of original structure crystal grain after remelting vacuum arc remelting steel ingot.
Subsequently, steel ingot is of a size of after pulling out skin left and right, carries out the thermal treatment of 1150 DEG C × 40h homogenizing and makes ingot composition even further, reduce microsegregation.
In ensuing hot-work forging process, 2000 tons of fast forging forging equipments can be adopted to forge after Heating Steel Ingots is come out of the stove before, pure aluminium silicate insulating cotton sprinkles the glass powder that one deck fusing point is about 1000 DEG C, surface of steel ingot one deck pure aluminium silicate insulating cotton that bonds is made to carry out isothermal holding, to slow down the radiating rate of steel ingot, make in the temperature range resting on applicable hot-work forging deformation of steel ingot energy long period, insulation increases every fire time deflection, and employing carries out draw out without tensile stress arc anvil (or V-type anvil) to steel ingot, prevention surface cracking.Many fire, draw out extremely to there is no tensile stress arc anvil (or V-type anvil) after repeating isothermal holding left and right.Then Linear cut go steel ingot end to end with segmentation ( ± 2mm), after car chamfering (R=20mm), isothermal holding (the same), adopt swage collar pier thick ( ± 2mm × 100 ± 2mm), improve male sportsman thermoplasticity and prevention hot procedure cracking, prepare qualified product, size after machining
Pass through to carry out isothermal holding technique in forging hot procedure according to the preparation method of the embodiment of the present invention, adopt the cracking in arc anvil (or V-type anvil) draw out technique and die forging jumping-up moulding process prevention forging hot procedure, reduce production cost and improve lumber recovery, preparing qualified product.
Preparation method according to the embodiment of the present invention is improved male sportsman clarity by the processing parameter optimized in melting, casting process parameter and hot-work forging process, is improved ingot quality, thus improves male sportsman thermoplasticity.
Although specifically describe exemplary embodiment of the present invention with reference to embodiments of the invention, those skilled in the art will appreciate that without departing from the spirit and scope of the present invention, various forms of change can be made to embodiment.

Claims (9)

1. a male sportsman, it is characterized in that, the composition of described male sportsman is by weight percentage: 0%≤C≤0.1%, 16.5%≤Cr≤19.5%, 13.5%≤Co≤16.0%, 1.0%≤W≤2.0%, 2.5%≤Mo≤3.5%, 2.0%≤Al≤3.0%, 4.5%≤Ti≤5.5%, 0%≤Fe≤1.0%, 0.01%≤B≤0.03%, 0%≤Zr≤0.06%, 0%≤S≤0.002%, 0%≤Si≤0.15%, 0%≤Mn≤0.15%, surplus is Ni and other inevitable impurity
Wherein, the preparation method of described male sportsman comprises melting, casting, remelting and hot-work forging, in reflow process, melting voltage is 22V-30V, melting electric current is 2000A-3000A, molten drop speed is that 3/s-6 drips/s, and adopt water-cooled and fill the type of cooling that helium gas cooling combines and produce remelted alloy ingot, wherein, helium pressure is 100Pa-200Pa.
2. male sportsman as claimed in claim 1, it is characterized in that, the composition of described male sportsman is by weight percentage: C is 0.075%, Cr is 18.0%, Co is 15.0%, W is 1.5%, Mo be 3.0%, Al is 2.5%, Ti is 5%, B is 0.02%, Zr is 0.04%, and surplus is Ni and other inevitable impurity.
3. a preparation method for male sportsman part, is characterized in that, described method comprises the steps:
(a) melting, melting obtains the alloy of following composition: 0%≤C≤0.1%, 16.5%≤Cr≤19.5%, 13.5%≤Co≤16.0%, 1.0%≤W≤2.0%, 2.5%≤Mo≤3.5%, 2.0%≤Al≤3.0%, 4.5%≤Ti≤5.5%, 0%≤Fe≤1.0%, 0.01%≤B≤0.03%, 0%≤Zr≤0.06%, 0%≤S≤0.002%, 0%≤Si≤0.15%, 0%≤Mn≤0.15%, surplus is Ni and other inevitable impurity;
B () is cast, adopt top teeming process casting;
(c) remelting, melting voltage is 22V-30V, melting electric current is 2000A-3000A, molten drop speed is that 3/s-6 drips/s, and adopts water-cooled and the type of cooling of filling helium gas cooling and combining, and is that 100Pa-200Pa explained hereafter goes out remelted alloy ingot with helium pressure;
D () hot-work is forged: after alloy pig heating is come out of the stove, arrange isothermal holding technique before forging, described isothermal holding technique for sprinkle one deck glass powder in pure aluminium silicate insulating cotton, after making alloy pig surface adhesion one deck pure aluminium silicate insulating cotton carry out isothermal holding, adopt and carry out draw out without the involutory ingot of tensile stress arc anvil.
4. preparation method as claimed in claim 3, melting step in described preparation method comprises charging by batches step, in the charging by batches step of described melting, except the C of 1/3 of easy scaling loss pantogen material C block weight and Al, Ti of 1/3 of starting material Al bar weight and micro alloying element B, Zr raw material, homogeneous the shove charge of other element raw material, unslaked lime is loaded with stove, after desulfurization removing nitric deoxygenation refining completes, add the C of 1/3 of easy scaling loss pantogen material C block weight and Al, Ti of 1/3 of starting material Al bar weight, tap and add B, Zr raw material in first 5 minutes.
5. preparation method as claimed in claim 3, it is characterized in that, the ingot shape in the casting step process in described preparation method is
6. preparation method as claimed in claim 5, it is characterized in that, the ingot mould molten steel used in the casting step process in described preparation method scalded, and top adds hot topping, and sprue gate and insulated feeder distance are less than 300mm, under keeping molten steel to become plume.
7. preparation method as claimed in claim 3, it is characterized in that, the reflow step in described preparation method obtains remelted alloy ingot.
8. preparation method as claimed in claim 3, is characterized in that, the hot-work forging step in described preparation method comprises carrying out carrying out time repetition of many fire without the step of tensile stress arc anvil draw out after carrying out isothermal holding.
9. preparation method as claimed in claim 3, is characterized in that, after described preparation method has also been included in hot-work forging, by alloy pig draw out extremely linear cut goes alloy pig end to end and segmentation, obtains blank, with R=20mm car chamfering, after described isothermal holding technique, adopt swage collar pier thick, obtain blank, be of a size of after preparing machining the little diskware of male sportsman.
CN201310395183.7A 2013-09-03 2013-09-03 Preparation method of deformation-resistant high-temperature alloy and deformation-resistant high-temperature alloy part Active CN103498075B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310395183.7A CN103498075B (en) 2013-09-03 2013-09-03 Preparation method of deformation-resistant high-temperature alloy and deformation-resistant high-temperature alloy part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310395183.7A CN103498075B (en) 2013-09-03 2013-09-03 Preparation method of deformation-resistant high-temperature alloy and deformation-resistant high-temperature alloy part

Publications (2)

Publication Number Publication Date
CN103498075A CN103498075A (en) 2014-01-08
CN103498075B true CN103498075B (en) 2015-07-22

Family

ID=49863334

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310395183.7A Active CN103498075B (en) 2013-09-03 2013-09-03 Preparation method of deformation-resistant high-temperature alloy and deformation-resistant high-temperature alloy part

Country Status (1)

Country Link
CN (1) CN103498075B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103952593B (en) * 2014-04-21 2016-04-06 西北工业大学 A kind of K4169 superalloy
CN104826969B (en) * 2015-05-25 2016-09-21 无锡派克新材料科技股份有限公司 A kind of forging method of 500Kg level GH3230 high temperature alloy
JP6499546B2 (en) * 2015-08-12 2019-04-10 山陽特殊製鋼株式会社 Ni-based superalloy powder for additive manufacturing
CN106424501A (en) * 2016-07-26 2017-02-22 厦门虹鹭钨钼工业有限公司 Sheath-based difficult-to-deform material multidirectional swaging method
CN108179322B (en) * 2018-01-31 2019-09-24 攀钢集团江油长城特殊钢有限公司 A kind of preparation method of the difficult deformation cobalt base superalloy plate of high lanthanum content
CN108285998A (en) * 2018-03-29 2018-07-17 冯满 A kind of high-temperature alloy steel
CN113862520B (en) * 2021-08-26 2022-07-19 北京钢研高纳科技股份有限公司 GH4720Li high-temperature alloy for aero-engine forged blade, preparation method and application thereof, and alloy ingot

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100387736C (en) * 2005-12-22 2008-05-14 沈阳黎明航空发动机(集团)有限责任公司 Vacuum smelting technology of hafnium containing nickel base casting high temperature alloy K488 reverse material alloy
GB2475064B (en) * 2009-11-04 2011-12-14 Rolls Royce Plc A method of producing an oxide coated nickel-base superalloy and a method of producing an oxide dispersion strengthened nickel-base superalloy
CN102107260B (en) * 2010-12-07 2012-07-04 陕西宏远航空锻造有限责任公司 Method for casting large-scale K403 high-temperature alloy die for isothermal forging
CN102719682B (en) * 2012-02-14 2014-05-21 攀钢集团江油长城特殊钢有限公司 Smelting method of GH901 alloy
CN102912152B (en) * 2012-09-19 2014-10-29 攀钢集团江油长城特殊钢有限公司 Vacuum arc remelting method for inhibiting macrosegregation of high-temperature alloy with high content of Nb
CN103233107B (en) * 2013-04-28 2015-02-25 攀钢集团江油长城特殊钢有限公司 Production method of forged cake for high-temperature alloy turbine disk

Also Published As

Publication number Publication date
CN103498075A (en) 2014-01-08

Similar Documents

Publication Publication Date Title
CN103498075B (en) Preparation method of deformation-resistant high-temperature alloy and deformation-resistant high-temperature alloy part
CN108546834B (en) Purification smelting method for nickel-based high-temperature alloy master alloy
CN100519813C (en) High-strength toughness cold working die steel and method of producing the same
CN103949805B (en) A kind of method preparing nickel-base alloy bare welding filler metal
CN101328522B (en) Smelting production method of low activation martensitic steel for fusion reactor
CN101787492B (en) Manufacturing method of high quality and large size mandril blank
CN106734805B (en) Φ 500~650mm Cr6 swaged forging Electro Slag Remelting Steel cold roll blank forging deformation techniques
CN101880829B (en) Magnesium alloy hot die steel
CN103949806B (en) A kind of preparation method of welding wire
CN109112408B (en) Manufacturing method of large-specification P92 heat-resistant steel forging
CN101717865B (en) Method for melting nickel-base high-temperature return material K441alloy
CN110306108A (en) A kind of high tenacity high cracking resistance hot die steel and its manufacturing method
CN105499844A (en) Preparation method of nickel-based alloy welding wires
CN102000954A (en) Method for manufacturing continuous pipe mill retained mandrel
CN104498804A (en) Preparation method of high-temperature alloy and high-temperature alloy thereof
CN104004955B (en) The manufacture method of high performance jetting steel
CN105522085A (en) Manufacturing method for large section forgings of high-speed tool steel
CN101367121B (en) Near-liquidus curve continuous casting method for electric steel
CN104404356B (en) A kind of return material method of smelting of impeller martensitic stain less steel
CN105108377A (en) Nickel alloy welding wire for welding cast iron pipe
CN104646955A (en) Method for preparing 20CrNi4 piercing plug
CN113846247A (en) W-Mo-Co reinforced high-temperature alloy hot-rolled bar and preparation method thereof
CN103949800B (en) A kind of welding wire be made up of Cr28Ni48W5 nickel-base alloy
CN107338391A (en) A kind of blank and preparation method, steel and preparation method
CN106702285A (en) Steel for fluid end of fracturing pump, and preparation 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
C14 Grant of patent or utility model
GR01 Patent grant