CN110468338B - 1Cr11Ni2W2MoV heat-resistant steel and quenching and tempering heat treatment process method thereof - Google Patents
1Cr11Ni2W2MoV heat-resistant steel and quenching and tempering heat treatment process method thereof Download PDFInfo
- Publication number
- CN110468338B CN110468338B CN201910904938.9A CN201910904938A CN110468338B CN 110468338 B CN110468338 B CN 110468338B CN 201910904938 A CN201910904938 A CN 201910904938A CN 110468338 B CN110468338 B CN 110468338B
- Authority
- CN
- China
- Prior art keywords
- heat
- quenching
- treatment
- blank
- tempering
- 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
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 67
- 238000010791 quenching Methods 0.000 title claims abstract description 57
- 230000000171 quenching effect Effects 0.000 title claims abstract description 57
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 46
- 239000010959 steel Substances 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000005496 tempering Methods 0.000 title claims abstract description 30
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000004321 preservation Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 10
- 238000004090 dissolution Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
Abstract
The invention discloses 1Cr11Ni2W2MoV heat-resistant steel and a quenching and tempering heat treatment process method thereof, belonging to the technical field of metallurgical production processes. Provides 1Cr11Ni2W2MoV heat-resistant steel and a quenching and tempering heat treatment process method thereof, which can meet the technical requirements of users on the mechanical properties and the high-temperature endurance quality of 600 ℃ of forged or rolled materials with different specifications. The heat-resistant steel is a quenched and tempered heat-treated steel plate containing, by weight, 0.13-0.15% of C, 0.40-0.40% of Si, 0.25-0.50% of Mn, 10.8-11.20% of Cr, 1.50-1.70% of Ni, 1.70-1.80% of W, 0.38-0.43% of Mo, 0.20-0.25% of V, and the balance Fe and inevitable impurities. The process method comprises quenching treatment and tempering treatment which are arranged in sequence, wherein the quenching treatment at least comprises several steps of quenching preheating treatment step, austenitizing heat treatment step and oil quenching heat treatment step.
Description
Technical Field
The invention relates to heat-resistant steel, in particular to 1Cr11Ni2W2MoV heat-resistant steel, and belongs to the technical field of metallurgical production processes. The invention also relates to a process method for carrying out quenching and tempering heat treatment on the 1Cr11Ni2W2MoV heat-resistant steel.
Background
The 1Cr11Ni2W2MoV steel is a martensitic stainless steel which is successfully developed in the end of 50 years of the original Soviet Union and has the mark of 961. The 1Cr11Ni2W2MoV steel is a novel martensite heat-resistant stainless steel obtained by adding a large amount of elements formed by ferrite in a reduced austenite phase region, such as W, Mo and V, into a low-carbon 12% Cr steel to enable the steel to have martensite phase transformation hardening capacity. The steel has good comprehensive mechanical properties, and is widely used for manufacturing important parts such as engine blades, discs, shafts, compression springs, powder starter shells and the like which work below 600 ℃ in the aviation industry.
In the heating and cooling processes of the martensitic stainless steel, the structure of the martensitic stainless steel is subjected to homomorphic transformation, so that crystal grains can be refined by a heat treatment method, and the mechanical property and the corrosion resistance of the steel are improved. The steel not only has good corrosion resistance, but also can obtain high mechanical property through heat treatment, thereby being widely used as important bearing parts of a compressor blade disc, a turbine shaft and the like of an aircraft engine.
The material is usually used for important parts such as engines or shafts below 600 ℃, and the mechanical property of the material after quenching and tempering heat treatment meets the requirements of related technical protocols, especially the high-temperature durability at 600 ℃. Therefore, it is particularly important to perform heat treatment for hardening and tempering a forged material.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides 1Cr11Ni2W2MoV heat-resistant steel which can meet the technical requirements of users on the mechanical property and the high-temperature endurance quality of 600 ℃ of forged or rolled materials with different specifications. The invention also provides a process method for carrying out quenching and tempering heat treatment on the 1Cr11Ni2W2MoV heat-resistant steel.
The technical scheme adopted for solving the technical problems is as follows: 1Cr11Ni2W2MoV heat-resistant steel, which is a quenched and tempered heat-treated steel plate comprising the following components in parts by weight,
the components in parts by weight are 0.13-0.15% of C, 0.40-0.40% of Si, 0.25-0.50% of Mn, 10.8-11.20% of Cr, 1.50-1.70% of Ni, 1.70-1.80% of W, 0.38-0.43% of Mo, 0.20-0.25% of V, and the balance of Fe and inevitable impurities,
σ b of heat-treated heat-resistant steel sheet after tempering: 1205-1230 MPa, sigma 0.2: 1020-1080 MPa, A: 15-18%, Z: 70-76%, AKv: 118.3-134.7J, HBW: 283 to 317, has better comprehensive mechanical property, and does not break when the high temperature endurance time is more than 150 hours at the temperature of 600 ℃ and under the loading stress of 540N/mm.
Further, the unavoidable P and S are included, wherein P is less than or equal to 0.025 percent and S is less than or equal to 0.010 percent in percentage by weight.
A process for the thermal refining treatment of the 1Cr11Ni2W2MoV heat-resistant steel comprises quenching treatment and tempering treatment which are arranged in sequence,
wherein the quenching treatment at least comprises a quenching preheating treatment step, an austenitizing heat treatment step and an oil quenching heat treatment step.
Further, the tempering treatment is performed in the following steps,
after the blank subjected to oil quenching heat treatment is cooled to room temperature, continuously putting the blank into a trolley type gas furnace, heating to 680-700 ℃ at a heating rate of 60 ℃/h, preserving heat, taking out of the furnace, air-cooling to room temperature to finish the tempering treatment,
and the heat preservation time length of the heat preservation is calculated and determined according to 2.3-2.5 times of the outer diameter of the blank, and the unit is minute.
In a preferred embodiment of the above aspect, the quenching and preheating step is performed in the following steps,
putting the forged or rolled steel billet into a trolley type gas furnace, heating to 600-650 ℃ at a heating rate of 50 ℃/h, soaking for 15 minutes after reaching the temperature, and finishing the quenching preheating treatment step,
wherein the heat preservation time of the heat preservation is 30-60 minutes according to the blank with the blank outer diameter phi of less than or equal to 200 mm; and (3) keeping the temperature of the blank with the blank outer diameter phi larger than 200mm for 60-120 minutes.
Further, the austenitizing heat treatment step is performed as follows,
heating the blank subjected to quenching preheating treatment to 1010-1020 ℃ at a heating rate of 90 ℃/h, preserving heat to complete the carbide dissolution and metallographic structure adjustment heating treatment work,
wherein the heat preservation duration of the heat preservation is controlled according to 1.0-1.1 multiplied by the sectional area of the blank in minutes.
In a preferred embodiment of the above aspect, the oil quenching heat treatment step is performed in the following steps,
discharging the blank obtained after the austenitizing heat treatment from a furnace, performing oil quenching, discharging oil when the temperature of the blank reaches below 100 ℃, and cooling the blank to room temperature in the air.
The invention has the beneficial effects that: according to the method, 1Cr11Ni2W2MoV heat-resistant steel is effectively controlled, the grey cloth of the heat-resistant steel obtained by smelting according to the control components is respectively subjected to quenching treatment and tempering treatment according to the sequence, and the quenching treatment at least comprises a quenching preheating treatment step, a carbide dissolution and metallographic structure adjustment heating treatment step and an oil quenching heat treatment step, so that the mechanical properties of forged or rolled materials with different specifications can be met by a user, and the technical requirement of 600 ℃ high-temperature endurance performance of the heat-resistant steel can be effectively met.
Detailed Description
In order to solve the technical problems in the prior art, the invention provides the 1Cr11Ni2W2MoV heat-resistant steel which can meet the technical requirements of users on the mechanical properties and the high-temperature durability at 600 ℃ of forging or rolling materials with different specifications, and the process method for carrying out quenching and tempering heat treatment on the 1Cr11Ni2W2MoV heat-resistant steel. The heat-resistant steel is a quenched and tempered heat-treated steel plate containing, by weight, 0.13-0.15% of C, 0.40-0.40% of Si, 0.25-0.50% of Mn, 10.8-11.20% of Cr, 1.50-1.70% of Ni, 1.70-1.80% of W, 0.38-0.43% of Mo, 0.20-0.25% of V, and the balance Fe and inevitable impurities. The process method comprises quenching treatment and tempering treatment which are arranged in sequence,
wherein the quenching treatment at least comprises a quenching preheating treatment step, an austenitizing heat treatment step and an oil quenching heat treatment step. According to the method, 1Cr11Ni2W2MoV heat-resistant steel is effectively controlled, the heat-resistant steel gray fabric obtained by smelting according to the control components is respectively subjected to quenching treatment and tempering treatment according to the sequence, and the quenching treatment at least comprises several steps of a quenching preheating treatment step, an austenitizing heat treatment step and an oil quenching heat treatment step, so that the mechanical properties of forging or rolling materials with different specifications can be met by a user, and the technical requirement of 600 ℃ high-temperature durability of the heat-resistant steel can be effectively met.
In the above embodiments, in order to better control the composition of the heat-resistant steel described herein, the heat treatment method described herein is used to obtain a more durable high-temperature performance of 600 ℃, which inevitably includes P and S, wherein P is less than or equal to 0.025 wt% and S is less than or equal to 0.010 wt%. Correspondingly, the tempering treatment is carried out according to the following steps, after the blank subjected to oil quenching heat treatment is cooled to room temperature, the blank is continuously placed into a trolley type gas furnace, the blank is heated to 680-700 ℃ at a heating rate of 60 ℃/h, the temperature is preserved, the blank is taken out of the furnace and cooled to room temperature in an air cooling mode, and the tempering treatment is completed, wherein the heat preservation time length of the heat preservation is determined by calculation according to 2.3-2.5 times of the outer diameter of the blank, and the unit is minutes. The quenching and preheating treatment process step is carried out according to the following steps of putting a forged or rolled billet into a trolley type gas furnace, heating to 600-650 ℃ at a heating rate of 50 ℃/h, soaking for 15 minutes after reaching the temperature, and preserving heat to finish the quenching and preheating treatment process step, wherein the heat preservation time of the heat preservation is 30-60 minutes according to the blank with the blank outer diameter phi less than or equal to 200 mm; and (3) keeping the temperature of the blank with the blank outer diameter phi larger than 200mm for 60-120 minutes. The heating treatment process for carbide dissolution and metallographic structure adjustment is carried out according to the following steps of heating the blank subjected to quenching preheating treatment to 1010-1020 ℃ at a heating rate of 90 ℃/h, and carrying out heat preservation to complete the heating treatment process for carbide dissolution and metallographic structure adjustment, wherein the heat preservation time of the heat preservation is controlled according to 1.0-1.1 multiplied by the sectional area of the blank per minute. The oil quenching heat treatment step is carried out according to the following steps of discharging a blank obtained after austenitizing heat treatment from a furnace for oil quenching, and discharging oil and cooling the oil to room temperature when the temperature of the blank reaches below 100 ℃.
In conclusion, after the 1Cr11Ni2W2MoV heat-resistant steel with the components is treated by quenching treatment and tempering treatment, the mechanical property and the high-temperature durability of the heat-resistant steel completely meet the working condition and the use condition of the shaft steel. Mechanical properties of the blank after heat treatment: σ b: 1205-1230 MPa, sigma 0.2: 1020-1080 MPa, A: 15-18%, Z: 70-76%, AKv: 118.3-134.7J, HBW: 283 to 317 and has better comprehensive mechanical property. And the material does not break at the temperature of 600 ℃ and under the action of loading stress of 540N/mm for a high-temperature endurance time of more than 150 h.
Example 1
Table 1 shows the specifications of the product of example 1
TABLE 1 product specifications
The embodiment provides a heat treatment method for quenching and tempering heat-resistant steel 1Cr11Ni2W2MoV, which comprises the following process flows: preheating at 600-650 ℃ and keeping the temperature of the trolley type gas furnace → continuously heating to 1010-1020 ℃ and keeping the temperature → discharging from the furnace, quenching in water to be lower than 100 ℃ → tempering at 680-700 ℃ of the trolley type gas furnace, keeping the temperature → discharging from the furnace, and air cooling to room temperature.
Specifically, taking a steel billet with the specification of phi 350mm as an example, the heat treatment process comprises the following steps:
(1) quenching: the blank is distributed one by one in the trolley type gas furnace, and a certain gap is formed between the blanks, and the number of the blanks is not more than 3. Firstly, heating the blank to 640 +/-10 ℃ at a speed of 50 ℃/h for soaking heat treatment, and keeping the temperature for 45 minutes; then, heating the blank to 1015 +/-10 ℃ at the speed of 90 ℃/h, soaking for 15 minutes, and preserving heat for 26 hours and 40 minutes; and finally, discharging the blank out of the furnace for oil quenching, and cooling the discharged oil to room temperature after the temperature of the blank is lower than 100 ℃.
(2) Tempering: and (4) putting the blank air-cooled to room temperature into a trolley type gas furnace for tempering. Firstly, heating the blank to 700 +/-10 ℃ at the speed of 60 ℃/h, preserving the heat for 13 hours and 30 minutes, and then discharging and air-cooling to room temperature.
The mechanical properties data of the products obtained according to this example are shown in table 2:
physical properties as exemplified in Table 2
As can be seen from tables 1 and 2, the mechanical properties of the product obtained by the method of the embodiment can meet the technical requirements of the product, and the product has stable properties.
The heat-resistant steel 1Cr11Ni2W2MoV produced by the heat treatment method has the advantages that the mechanics meets the technical requirements, and the high-temperature durability at 600 ℃ completely meets the requirement that the product is used in the shaft working condition environment.
Claims (4)
1. A process method for carrying out quenching and tempering heat treatment on 1Cr11Ni2W2MoV heat-resistant steel, wherein the heat-resistant steel is a quenching and tempering heat-treated steel plate containing the following components in parts by weight,
the heat-resistant steel plate comprises, by weight, 0.13-0.15% of C, 0.40-0.60% of Si, 0.25-0.50% of Mn, 10.8-11.20% of Cr, 1.50-1.70% of Ni, 1.70-1.80% of W, 0.38-0.43% of Mo, 0.20-0.25% of V, and the balance Fe and inevitable impurities, wherein the heat-resistant steel plate after tempering treatment has sigma b: 1205-1230 MPa, sigma 0.2: 1020-1080 MPa, A: 15-18%, Z: 70-76%, AKv: 118.3-134.7J, HBW: 283 to 317, has better comprehensive mechanical property, and has the loading stress of 540N/mm at the temperature of 600 DEG C2The high-temperature endurance time is more than 150h, the high-temperature endurance time is not broken, the high-temperature endurance time inevitably comprises P and S, wherein P is less than or equal to 0.025 percent and S is less than or equal to 0.010 percent in percentage by weight, and the high-temperature endurance time is characterized in that: the process method comprises quenching treatment and tempering treatment which are arranged in sequence,
wherein the quenching treatment at least comprises a quenching preheating treatment step, an austenitizing heat treatment step and an oil quenching heat treatment step,
the tempering treatment is carried out according to the following steps,
after the blank subjected to oil quenching heat treatment is cooled to room temperature, continuously putting the blank into a trolley type gas furnace, heating to 680-700 ℃ at a heating rate of 60 ℃/h, preserving heat, taking out of the furnace, air-cooling to room temperature to finish the tempering treatment,
and the heat preservation time length of the heat preservation is calculated and determined according to 2.3-2.5 times of the outer diameter of the blank, and the unit is minute.
2. The process according to claim 1, characterized in that: the quenching and preheating treatment process is carried out according to the following steps,
putting the forged or rolled steel billet into a trolley type gas furnace, heating to 600-650 ℃ at a heating rate of 50 ℃/h, soaking for 15 minutes after reaching the temperature, and finishing the quenching preheating treatment step,
wherein the heat preservation time of the heat preservation is 30-60 minutes according to the blank with the blank outer diameter phi of less than or equal to 200 mm; and (3) keeping the temperature of the blank with the blank outer diameter phi larger than 200mm for 60-120 minutes.
3. The process according to claim 1 or 2, characterized in that: the austenitizing heat treatment process is carried out according to the following steps,
heating the blank subjected to quenching preheating treatment to 1010-1020 ℃ at a heating rate of 90 ℃/h, preserving heat to complete the carbide dissolution and metallographic structure adjustment heating treatment work,
wherein the heat preservation duration of the heat preservation is controlled according to 1.0-1.1 multiplied by the sectional area of the blank in minutes.
4. A process according to claim 3, characterized in that: the oil quenching heat treatment process is carried out according to the following steps,
discharging the blank obtained after the austenitizing heat treatment from a furnace, performing oil quenching, discharging oil when the temperature of the blank reaches below 100 ℃, and cooling the blank to room temperature in the air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904938.9A CN110468338B (en) | 2019-09-24 | 2019-09-24 | 1Cr11Ni2W2MoV heat-resistant steel and quenching and tempering heat treatment process method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910904938.9A CN110468338B (en) | 2019-09-24 | 2019-09-24 | 1Cr11Ni2W2MoV heat-resistant steel and quenching and tempering heat treatment process method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110468338A CN110468338A (en) | 2019-11-19 |
| CN110468338B true CN110468338B (en) | 2021-06-04 |
Family
ID=68516585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910904938.9A Active CN110468338B (en) | 2019-09-24 | 2019-09-24 | 1Cr11Ni2W2MoV heat-resistant steel and quenching and tempering heat treatment process method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110468338B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112626413A (en) * | 2020-11-28 | 2021-04-09 | 四川维珍高新材料有限公司 | Aviation case product and production process thereof |
| CN113464488A (en) * | 2021-07-23 | 2021-10-01 | 武汉钢铁有限公司 | High-anti-seismic-performance blower blade |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320743A (en) * | 2013-05-10 | 2013-09-25 | 西安航空动力股份有限公司 | Nitriding method for 1Cr11Ni2W2MoV steel part |
| CN109680212A (en) * | 2019-01-10 | 2019-04-26 | 成都先进金属材料产业技术研究院有限公司 | The method for improving Cr12MoV static ingot internal soundness |
-
2019
- 2019-09-24 CN CN201910904938.9A patent/CN110468338B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320743A (en) * | 2013-05-10 | 2013-09-25 | 西安航空动力股份有限公司 | Nitriding method for 1Cr11Ni2W2MoV steel part |
| CN109680212A (en) * | 2019-01-10 | 2019-04-26 | 成都先进金属材料产业技术研究院有限公司 | The method for improving Cr12MoV static ingot internal soundness |
Non-Patent Citations (1)
| Title |
|---|
| "航空1Cr11Ni2W2MoV钢叶片的热加工工艺与力学性能";黄春峰;《航空精密制造技术》;19980430;第34卷(第2期);第27-28页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110468338A (en) | 2019-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110438310B (en) | Hot work die steel and heat treatment method thereof | |
| CN109457081B (en) | Rare earth microalloyed bearing steel and preparation method thereof | |
| CN110484826B (en) | 05Cr17Ni4Cu4Nb martensitic stainless steel and heat treatment process thereof | |
| CN110468338B (en) | 1Cr11Ni2W2MoV heat-resistant steel and quenching and tempering heat treatment process method thereof | |
| CN109487061B (en) | Heat treatment method of martensite precipitation hardening stainless steel 06Cr15Ni5Cu2Ti | |
| CN111139341B (en) | Heat treatment process for pump shell casting | |
| CN113322415A (en) | Martensitic stainless steel for aviation bearing and preparation method thereof | |
| CN110791717A (en) | High-quality hypoeutectoid alloy tool steel wire rod and production method thereof | |
| CN107794348A (en) | A kind of Technology for Heating Processing of raising Cr12MoV steel combination properties | |
| CN110565025B (en) | Preparation method of ultrahigh-strength high-carbon alloy steel | |
| CN111118258B (en) | Heat treatment method for improving low-temperature impact toughness of 00Cr12Ni10MoTi maraging stainless steel | |
| CN104818432A (en) | Alloy material for turboset rotor and preparation method thereof | |
| CN112430721A (en) | Solution heat treatment method for preventing blade steel 0Cr17Ni4Cu4Nb from cracking | |
| CN104099456A (en) | Forging and heat treatment method of 9Cr18MoV steel forging | |
| CN114214567B (en) | Ni 3 Al intermetallic compound precipitation-strengthened high-temperature bearing steel and preparation method thereof | |
| CN114774650A (en) | Heat treatment method of blade steel 1Cr12Ni3Mo2VN | |
| CN103339278A (en) | Steel for carburizing or carbonitriding applications | |
| CN105925773A (en) | Heat treatment method for steel | |
| CN113061712A (en) | Method for eliminating mixed crystals in heat treatment of W9Cr4V2Mo steel bearing parts | |
| CN110923431A (en) | Heat treatment method of hammer head steel casting | |
| JP2973006B2 (en) | Sliding member and manufacturing method thereof | |
| CN115261565B (en) | Heat treatment method suitable for 35MnB steel wear-resistant piece | |
| CN116397163A (en) | Solution heat treatment method for preventing quenching cracking of heat-resistant steel 05Cr17Ni4Cu4Nb for fastener | |
| CN113943901B (en) | Heat-treated vanadium-containing high-boron high-speed steel and heat treatment method thereof | |
| CN115522020B (en) | High-toughness bearing steel and heat treatment method |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610306 China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan No. 1509, xiangdao Avenue, Chengxiang Town, Qingbaijiang District, Chengdu (rooms a1301-1311 and 1319, 13th floor, block a, railway port building) Patentee after: Chengdu advanced metal material industry technology Research Institute Co.,Ltd. Address before: 610306 China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan No. 1509, xiangdao Avenue, Chengxiang Town, Qingbaijiang District, Chengdu (rooms a1301-1311 and 1319, 13th floor, block a, railway port building) Patentee before: CHENGDU ADVANCED METAL MATERIAL INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20191119 Assignee: PANGANG GROUP JIANGYOU CHANGCHENG SPECIAL STEEL Co.,Ltd. Assignor: Chengdu advanced metal material industry technology Research Institute Co.,Ltd. Contract record no.: X2024980003064 Denomination of invention: 1Cr11Ni2W2MoV heat-resistant steel and its quenching and tempering heat treatment process method Granted publication date: 20210604 License type: Exclusive License Record date: 20240322 |