CN110468338A - 1Cr11Ni2W2MoV heat resisting steel and its quenching-and-tempering process method - Google Patents
1Cr11Ni2W2MoV heat resisting steel and its quenching-and-tempering process method Download PDFInfo
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- CN110468338A CN110468338A CN201910904938.9A CN201910904938A CN110468338A CN 110468338 A CN110468338 A CN 110468338A CN 201910904938 A CN201910904938 A CN 201910904938A CN 110468338 A CN110468338 A CN 110468338A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005496 tempering Methods 0.000 title claims abstract description 32
- 238000010791 quenching Methods 0.000 claims abstract description 58
- 230000000171 quenching effect Effects 0.000 claims abstract description 56
- 238000010438 heat treatment Methods 0.000 claims abstract description 45
- 238000011282 treatment Methods 0.000 claims abstract description 12
- 238000005242 forging Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 5
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 4
- 238000004321 preservation Methods 0.000 claims description 24
- 238000003825 pressing Methods 0.000 claims description 9
- 238000004090 dissolution Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 11
- 239000004744 fabric Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241001417490 Sillaginidae Species 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 239000010742 number 1 fuel oil Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009466 transformation Effects 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of 1Cr11Ni2W2MoV heat resisting steel and its quenching-and-tempering process methods, belong to metallurgical production process technical field.A kind of 1Cr11Ni2W2MoV heat resisting steel and its quenching-and-tempering process method being able to satisfy user to the forging of different size or the mechanical property of rolling stock and the technical need of 600 DEG C of high temperature endurance performance is provided.The heat resisting steel is the Tempering and Quenching steel plate for having following weight parts component comprising measuring, the parts by weight of component is C 0.13~0.15%, Si 0.40~0.40%, Mn 0.25~0.50%, Cr 10.8~11.20%, Ni 1.50~1.70%, W 1.70~1.80%, Mo 0.38~0.43%, V 0.20~0.25%, and surplus is Fe and inevitable impurity.The process includes the quenching treatment and tempering being sequentially arranged, wherein the quenching treatment includes at least quenching the pre-heat treatment work step, austenitation heat treatment work step and oil quenching and is heat-treated the several steps of work step.
Description
Technical field
The present invention relates to a kind of heat resisting steel to belong to metallurgical production work more particularly, to a kind of 1Cr11Ni2W2MoV heat resisting steel
Skill technical field.The invention further relates to a kind of techniques for carrying out Tempering and Quenching to the 1Cr11Ni2W2MoV heat resisting steel
Method.
Background technique
1Cr11Ni2W2MoV steel is the martensitic stain less steel succeeded in developing former Soviet Union's end of the fifties, the trade mark 961.
1Cr11Ni2W2MoV steel is that a large amount of W is added in the 12%Cr steel of low-carbon, and Mo, V etc. reduce the ferrite shape of austenite phase field
At element, the novel martensite heat-resistance stainless steel of one kind for making it have martensitic traoformation hardening capacity, and obtaining.The steel grade
With good comprehensive mechanical property, the engine blade of 600 DEG C of manufacture or less work is had been widely used in aircraft industry,
The important spare parts such as disk, axis and compressed spring and explosive actuator shell.
In heating, cooling procedure, allotropic transformation occurs the martensitic stainless steel for tissue, thus can pass through
Heat treatment method refines crystal grain, improves the mechanical property and corrosion resistance of steel.The steel not only has good corrosion resistance,
High mechanical property can also be obtained by heat treatment, thus is widely used as the compressor blade disk and turbine wheel shaft of aero-engine
Etc. important load part.
Commonly used in important parts such as 600 DEG C of engine or axis classes below, it is desirable that after material passes through Tempering and Quenching
Mechanical property meets the high temperature endurance performance of the relevant technologies protocol requirement, especially 600 DEG C.Therefore quenched heat is carried out to wrought materials
Processing is even more important.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of forging for being able to satisfy user to different size or rolled stock
The 1Cr11Ni2W2MoV heat resisting steel of the mechanical property of material and the technical need of 600 DEG C of high temperature endurance performance.The present invention also provides
A kind of process for 1Cr11Ni2W2MoV heat resisting steel progress Tempering and Quenching.
Used technical solution is to solve above-mentioned technical problem: 1Cr11Ni2W2MoV heat resisting steel, the heat resisting steel
To there is the Tempering and Quenching steel plate of following weight parts component comprising measuring,
The parts by weight of component is C 0.13~0.15%, Si 0.40~0.40%, Mn 0.25~0.50%, Cr
10.8~11.20%, Ni 1.50~1.70%, W 1.70~1.80%, Mo 0.38~0.43%, V 0.20~0.25%,
Surplus be Fe and inevitable impurity,
σ b:1205~1230MPa, the σ 0.2:1020 of Tempering and Quenching heat resisting steel steel plate after tempering~
1080MPa, A:15~18%, Z:70~76%, AKv:118.3~134.7J, HBW:283~317, comprehensive mechanical property compared with
It is good, and at 600 DEG C of temperature, under the conduct of loading stress 540N/mm, it is not broken that the high-temperature and durable time is greater than 150h.
Further, described inevitably include P and S, wherein P≤0.025% by weight percentage, S≤
0.010%.
A kind of process for 1Cr11Ni2W2MoV heat resisting steel progress Tempering and Quenching, the technique
Method includes the quenching treatment and tempering being sequentially arranged,
Wherein, the quenching treatment includes at least quenching the pre-heat treatment work step, austenitation heat treatment work step and oil quenching
It is heat-treated the several steps of work step.
Further, the tempering carries out in the steps below,
After the blank of oil quenching heat treatment is cooled to room temperature, continued to be put into gas-fired car bottom furnace, and presses 60 DEG C/h
The rate of heat addition be heated to 680~700 DEG C, heat preservation, coming out of the stove is air-cooled to room temperature and completes the tempering work,
Wherein, when the heat preservation of the heat preservation 2.3~2.5 times of long-pressing blank outer diameter carry out calculating determination, unit is minute.
The preferred mode of the above solution is that the quenching the pre-heat treatment work step carries out in the steps below,
Forging or rolling steel billet are put into gas-fired car bottom furnace and are heated to 600~650 DEG C by the rate of heat addition of 50 DEG C/h,
And the quenching the pre-heat treatment work step is completed to heat preservation in soaking 15 minutes after temperature,
Wherein, when the heat preservation of the heat preservation long-pressing blank outer diameter Φ≤200mm blank, keep the temperature 30~60 minutes；Blank
The blank of outer diameter Φ > 200mm keeps the temperature 60~120 minutes and controls.
Further, the austenitation heat treatment work step carries out in the steps below,
Blank after quenching the pre-heat treatment is heated to 1010~1020 DEG C by the rate of heat addition of 90 DEG C/h, and keeps the temperature completion
The carbide dissolution and metallographic structure adjusts heat treatment work,
Wherein, the sectional area minute of 1.0~1.1 × blank of long-pressing controls when the heat preservation of the heat preservation.
The preferred mode of the above solution is that the oil quenching heat treatment work step carries out in the steps below,
The blank obtained after austenitation heat treatment is come out of the stove and carries out oil quenching, and reaches 100 DEG C or less in blank temperature and goes out
Oil is air-cooled to room temperature.
The beneficial effects of the present invention are: the application, which passes through, effectively controls 1Cr11Ni2W2MoV heat resisting steel, and will be by above-mentioned
Control component smelts the heat resisting steel steel billet cloth obtained and sequentially carries out quenching treatment and tempering respectively, and at quenching
Reason includes at least quenching the pre-heat treatment work step, carbide dissolution and metallographic structure adjusting heat treatment work step and oil quenching is heat-treated work
Several steps are walked, are not only able to satisfy user in this way to the forging of different size or the mechanical property of rolling stock, but also can have
The technical need of guarantee 600 DEG C of high temperature endurance performances of heat resisting steel of effect.
Specific embodiment
In order to solve the above technical problems existing in the prior art, one kind provided by the invention is able to satisfy user to difference
The 1Cr11Ni2W2MoV of the forging of specification or the mechanical property of rolling stock and the technical need of 600 DEG C of high temperature endurance performance
Heat resisting steel carries out the process of Tempering and Quenching to the 1Cr11Ni2W2MoV heat resisting steel.The heat resisting steel is comprising amount
Have a Tempering and Quenching steel plate of following weight parts component, the parts by weight of component be C 0.13~0.15%, Si 0.40~
0.40%, Mn 0.25~0.50%, Cr 10.8~11.20%, Ni 1.50~1.70%, W 1.70~1.80%, Mo
0.38~0.43%, V 0.20~0.25%, surplus are Fe and inevitable impurity.The process includes in order
The quenching treatment and tempering of setting,
Wherein, the quenching treatment includes at least quenching the pre-heat treatment work step, austenitation heat treatment work step and oil quenching
It is heat-treated the several steps of work step.The application, which passes through, effectively controls 1Cr11Ni2W2MoV heat resisting steel, and will be by above-mentioned control component
It smelts the heat resisting steel steel billet cloth obtained and sequentially carries out quenching treatment and tempering respectively, and at least wrapped in quenching treatment
Quenching the pre-heat treatment work step, austenitation heat treatment work step and the oil quenching heat treatment several steps of work step are included, are not only able to satisfy in this way
User can effectively guarantee that 600 DEG C of high temperature of heat resisting steel are held to the forging of different size or the mechanical property of rolling stock
The technical need of long performance.
In above embodiment, in order to preferably control the component of herein described heat resisting steel, pass through this Shen as far as possible
Heat treatment method please obtains 600 DEG C of more longlasting high-temperature behaviors, herein described to inevitably include P and S, wherein by weight
P≤0.025% of percentages, S≤0.010%.Correspondingly, the tempering carries out in the steps below, to oil
Quench heat treatment blank be cooled to room temperature after, continued to be put into gas-fired car bottom furnace, and add by the rate of heat addition of 60 DEG C/h
Heat is to 680~700 DEG C, heat preservation, comes out of the stove and is air-cooled to the room temperature completion tempering work, wherein the heat preservation of the heat preservation
When 2.3~2.5 times of long-pressing blank outer diameter carry out calculating determination, unit is minute.And the quenching the pre-heat treatment work step is
It carries out in the steps below, forging or rolling steel billet is put into gas-fired car bottom furnace and are heated to by the rate of heat addition of 50 DEG C/h
600~650 DEG C, and the quenching the pre-heat treatment work step is completed to heat preservation in soaking 15 minutes after temperature, wherein the guarantor of the heat preservation
The blank of long-pressing blank outer diameter Φ≤200mm when warm keeps the temperature 30~60 minutes；The blank of blank outer diameter Φ > 200mm, heat preservation 60
It controls within~120 minutes.The carbide dissolution and metallographic structure adjusts heat treatment work step and carries out in the steps below, will
Blank after quenching the pre-heat treatment is heated to 1010~1020 DEG C by the rate of heat addition of 90 DEG C/h, and keeps the temperature and complete the carbonization
Object dissolution adjusts heat treatment work with metallographic structure, wherein 1.0~1.1 × blank of long-pressing cuts when the heat preservation of the heat preservation
Line Integral clock system.The oil quenching heat treatment work step carries out in the steps below, by what is obtained after austenitation heat treatment
Blank, which is come out of the stove, carries out oil quenching, and reaches 100 DEG C or less in blank temperature and fuel-displaced be air-cooled to room temperature.
In conclusion using the 1Cr11Ni2W2MoV heat resisting steel of the application component, and press above-mentioned quenching treatment and tempering
After processing handles heat resisting steel, mechanical property and high temperature endurance performance fully meet the operating condition use condition of axis class steel.
Blank mechanical property after heat treatment: σ b:1205~1230MPa, σ 0.2:1020~1080MPa, A:15~18%, Z:70~
76%, AKv:118.3~134.7J, HBW:283~317, comprehensive mechanical property are preferable.And at 600 DEG C of temperature, loading
Under the conduct of stress 540N/mm, it is not broken that the high-temperature and durable time is greater than 150h.
Embodiment 1
Table 1 is product technology requirement in embodiment 1
The requirement of 1 product technology of table
The present embodiment provides a kind of heat resisting steel 1Cr11Ni2W2MoV Tempering and Quenching method, process flow is equal are as follows: trolley
Formula gas furnace carries out 600~650 DEG C and preheats and keep the temperature → continue to be heated to 1010~1020 DEG C and keep the temperature → coming out of the stove water quenching to low
680~700 DEG C of tempering are carried out in 100 DEG C → gas-fired car bottom furnace, and keeps the temperature → comes out of the stove and be air-cooled to room temperature.
Specifically, by taking specification is the steel billet of Φ 350mm as an example, heat treatment process is as follows:
(1) quench: blank, by branch cloth, should have certain interval, at most not in gas-fired car bottom furnace between blank and blank
More than 3 layers cloth.Blank is heated to 640 ± 10 DEG C of progress soaking heat treatments by 50 DEG C/h first, keeps the temperature 45 minutes；Then,
Blank is heated to 1015 ± 10 DEG C by 90 DEG C/h, soaking 15 minutes, and keep the temperature 40 minutes 26 hours；Finally, blank is come out of the stove
Oil quenching is carried out, it is fuel-displaced after blank temperature is lower than 100 DEG C to be air-cooled to room temperature.
(2) it is tempered: the blank for being air-cooled to room temperature being put into gas-fired car bottom furnace and is tempered.Firstly, by blank by 60 DEG C/
H is heated to 700 ± 10 DEG C, keeps the temperature 30 minutes 13 hours, then comes out of the stove and be air-cooled to room temperature.
Mechanical performance data according to the present embodiment product obtained is as shown in table 2:
2 example material object mechanical properties of table
By Tables 1 and 2 it is found that can satisfy the skill of product according to the mechanical property of the present embodiment method product obtained
Art requirement, and performance is stablized.
The heat resisting steel 1Cr11Ni2W2MoV produced using this heat treatment method, mechanics meet technical requirements, and 600 DEG C
High temperature endurance performance fully meet the product and used in axis class work condition environment.
Claims (7)
1.1Cr11Ni2W2MoV heat resisting steel, it is characterised in that: the heat resisting steel is the tune for having following weight parts component comprising measuring
Matter heat-treated steel plate,
The parts by weight of component is C 0.13~0.15%, Si 0.40~0.40%, Mn 0.25~0.50%, Cr 10.8
~11.20%, Ni 1.50~1.70%, W 1.70~1.80%, Mo 0.38~0.43%, V 0.20~0.25%, surplus
For Fe and inevitable impurity,
σ b:1205~1230MPa, the σ 0.2:1020~1080MPa, A of Tempering and Quenching heat resisting steel steel plate after tempering:
15~18%, Z:70~76%, AKv:118.3~134.7J, HBW:283~317, comprehensive mechanical property is preferable, and in temperature
At 600 DEG C of degree, under the conduct of loading stress 540N/mm, it is not broken that the high-temperature and durable time is greater than 150h.
2. 1Cr11Ni2W2MoV heat resisting steel according to claim 1, it is characterised in that: it is described to inevitably include P and S,
Wherein P≤0.025% by weight percentage, S≤0.010%.
3. it is a kind of for carrying out the process of Tempering and Quenching to 1Cr11Ni2W2MoV heat resisting steel described in claim 2, it is special
Sign is: the process includes the quenching treatment and tempering being sequentially arranged,
Wherein, the quenching treatment includes at least at quenching the pre-heat treatment work step, austenitation heat treatment work step and oil quenching heat
Science and engineering walks several steps.
4. process according to claim 3, it is characterised in that: the tempering is to carry out in the steps below
,
After the blank of oil quenching heat treatment is cooled to room temperature, continued to be put into gas-fired car bottom furnace, and adding by 60 DEG C/h
Hot rate is heated to 680~700 DEG C, and heat preservation comes out of the stove and is air-cooled to the room temperature completion tempering work,
Wherein, when the heat preservation of the heat preservation 2.3~2.5 times of long-pressing blank outer diameter carry out calculating determination, unit is minute.
5. process according to claim 3 or 4, it is characterised in that: the quenching the pre-heat treatment work step is to press
Step progress is stated,
Forging or rolling steel billet are put into gas-fired car bottom furnace and are heated to 600~650 DEG C by the rate of heat addition of 50 DEG C/h, and is arrived
The quenching the pre-heat treatment work step is completed in heat preservation in soaking 15 minutes after temperature,
Wherein, when the heat preservation of the heat preservation long-pressing blank outer diameter Φ≤200mm blank, keep the temperature 30~60 minutes；Blank outer diameter
The blank of Φ > 200mm keeps the temperature 60~120 minutes and controls.
6. process according to claim 5, it is characterised in that: the austenitation heat treatment work step is by following
What step carried out,
Blank after quenching the pre-heat treatment is heated to 1010~1020 DEG C by the rate of heat addition of 90 DEG C/h, and is kept the temperature described in completion
Carbide dissolution and metallographic structure adjust heat treatment work,
Wherein, the sectional area minute of 1.0~1.1 × blank of long-pressing controls when the heat preservation of the heat preservation.
7. process according to claim 6, it is characterised in that: the oil quenching heat treatment work step is in the steps below
It carries out,
The blank obtained after austenitation heat treatment is come out of the stove and carries out oil quenching, and reaches 100 DEG C or less fuel-displaced skies in blank temperature
It is cooled to room temperature.
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| CN201910904938.9A CN110468338B (en) | 2019-09-24 | 2019-09-24 | 1Cr11Ni2W2MoV heat-resistant steel and quenching and tempering heat treatment process method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| 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 |
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2019
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| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN110468338B (en) | 2021-06-04 |
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