CN106048420A - Resource-saving type high-temperature-oxidation-resistant and wear-resistant stainless steel alloy material - Google Patents
Resource-saving type high-temperature-oxidation-resistant and wear-resistant stainless steel alloy material Download PDFInfo
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- CN106048420A CN106048420A CN201610558305.3A CN201610558305A CN106048420A CN 106048420 A CN106048420 A CN 106048420A CN 201610558305 A CN201610558305 A CN 201610558305A CN 106048420 A CN106048420 A CN 106048420A
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- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- 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
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- 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
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- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a resource-saving type high-temperature-oxidation-resistant and wear-resistant stainless steel alloy material. The resource-saving type high-temperature-oxidation-resistant and wear-resistant stainless steel alloy material comprises the following components, in percentage by mass, 0.1-0.4% of C, 18.0-23.0% of Cr, 6.0-8.0% of Ni, 0.1-0.3% of N, 0.3-1.5% of Al, not higher than 1.5% of Mn, not higher than 1.0% of Si, not higher than 0.03% of P, not higher than 0.03% of S, 0.05-0.2% of Zr and 0.05-0.2% of Y, with the balance being Fe and inevitable impurities. The alloy material can be produced by performing proportioning and melting with a conventional melting technological method, and then performing casting moulding, and performing solid solution treatment. The alloy material is not only good in high-temperature-oxidation-resistance and wear-resistance, but also capable of reducing material cost.
Description
Technical field
The present invention relates to a kind of resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material, belong to steel alloy material skill
Art field.
Background technology
Along with industrial expansion, the equipment of high temperature service gets more and more, and the material of high temperature service equipment is just carried by this
Go out the highest requirement, such as, the high-temperature oxidation resistance having had, wear-resisting under high temperature, there is elevated temperature strength of excellence etc..
High-temperature oxidation resistance is to ensure that the essential condition that workpiece the most persistently works.Steel part aoxidizes at high temperature air etc.
In environment, oxygen and steel surface occur chemical reaction to generate the oxide skin(coating) of multiple ferrum, and this oxide skin(coating) is the most loose, loses steel
Primary characteristic, easily comes off.In order to improve the high-temperature oxidation resistance of steel, in steel, add alloying element, thus change oxide
Structure.Conventional alloying element has chromium, silicon, aluminum etc..They react with oxygen, generate fine and close, stable on the surface of the steel
Oxide skin(coating), in other words passivation layer Cr2O3, SiO2 etc., to protect steel not continue to oxidation.Chromium, silicon addition are many, the high temperature of steel
Antioxidation is good, but if silicon addition is too many, the mechanical property of steel and manufacturability are deteriorated.So, heat resisting steel closes with chromium for main
Gold element, with silicon as auxiliary element.Therefore, the high-temperature oxidation resistance of steel is the most relevant with chemical composition.
The wearability of material refers to resist the ability of abrasion under certain friction condition, when abrasive material interacts with material
Time, to material wear ability or abrasion generating process major influence factors have two classes, one is material itself, including material composition,
Microscopic structure and mechanical property.Material abrasive material wear process is had a great impact by the microscopic structure of material, the composition of material and
Process technique and determine materials microstructure and mechanical property.Another is abrasive nature and contacting time abrasive material interacts with material
The external parameters such as stress, speed of related movement, environment, medium.The material of same tissue, under different working conditions or not
Also different wearabilities can be shown under same experimental condition.The wearability of material is had a significant impact by hardness, so improving anti-
The measure of the wearability of mill heat resisting steel adds alloying element exactly, improves the hardness of heat resisting steel.Conventional alloying element have niobium and
Zirconium etc..These alloying elements are the strongest with the affinity of carbon and nitrogen, add in alloy, form highly dispersed in process of setting
Carbide and nitride microgranule, these MC types and the MN type microgranule stability of the extreme hardness of distribution are the highest, even if at 1300 DEG C
Hereinafter also will not be completely dissolved, steel anti-wear performance at high temperature can be improved, so the wearability of heat resisting steel is main and hardness
Relevant.
Therefore, the high-temperature oxidation resistance and the wearability that how to be effectively improved material are scientific research personnel's issues that need special attention.
Austenite base heat resisting steel is current most widely used steel grade.But owing in austenitic steel, Ni content is higher, thus production cost
Higher.The present invention is by replacing expensive nickel to ensure the austenitic matrix of steel with cheap nitrogen, thus reduces steel
Production cost, high-temperature oxidation resistance and the wearability of material are effectively combined simultaneously.
The present invention, through the design of scientific research personnel and repetition test, optimizes the formula of material, formed complete material with
The resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material manufacturing technology of technique one.
Summary of the invention
It is an object of the invention to provide and a kind of not only there is good high-temperature oxidation resistance and anti-wear performance, Er Qieneng
Enough reduce the resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material of material cost.
The present invention is achieved by the following technical solution:
A kind of resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material, has following composition and a mass percent (%):
C:0.1-0.4, Cr18.0-23.0, Ni:6.0-8.0, N0.1-0.3, Al:0.3-1.5, Mn≤1.5, Si≤1.0, P≤0.03,
S≤0.03, Zr0.05-0.2, Y0.05-0.2, surplus is Fe and inevitable impurity.
Its room temperature tensile intensity is 500 more than MPa, and percentage elongation is more than 20%.
Its production technology comprises the following steps: the smelting process that employing is conventional, moulding by casting after dispensing is founded, then
Through solution treatment, after 1050 DEG C of solution treatment, it is organized as austenite+AlN+ carbide.
The present invention compared with prior art has the advantages that
The present invention, by reducing the production cost of steel for nickel with nitrogen, adds aluminum in steel simultaneously, and aluminum not only can be in surface shape
Become fine and close Al2O3 thin film, improve the high-temperature oxidation resistance of material, it is also possible to form AlN phase, as Hard Inclusion Dispersed precipitate in
In matrix, improve the wearability of material.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention alloy material room temperature tensile stress-strain curve diagram；
Fig. 2 is embodiment of the present invention alloy material oxidizing dynamics curve figure in atmosphere at 1000 DEG C.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
A kind of resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material, it has following composition and percent mass
Than (%):
C 0.34
Cr 19.10
Ni 6.80
N 0.23
Al 1.15
Mn 0.56
Si 0.38
P 0.002
S 0.01
Zr 0.12
Y 0.12
Surplus is Fe and inevitable impurity
Its production technology comprises the following steps: use the smelting process that tradition is conventional, calculates through comprehensive metering and melts with dispensing
After refining, cast molding, then through solution treatment, after 1050 DEG C of solution treatment, it is organized as austenite+AlN+ carbide, finally
Prepare cast steel foundry goods.Alloy material is after 1050 DEG C of solution treatment, and room temperature tensile stress-strain diagram is shown in Fig. 1, its room temperature tensile
Intensity is 690 MPa, and percentage elongation is more than 30%, is significantly better than that ZG40Cr25Ni20.Fig. 2 is that the present embodiment alloy material is at sky
Oxidizing dynamics curve figure at 1000 DEG C in gas, it can be seen that the gain in weight of the present embodiment alloy material with
ZG40Cr25Ni20 is suitable, shows preferable non-oxidizability in the case of reducing material cost.
The resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material mechanical property that the present invention optimizes is good, production cost
Low, there is good cost performance.Such resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material is a kind of great cost
The engineering material of benefit, can be as the alternate material of ZG40Cr25Ni20.
Embodiment, only to facilitate understand technical scheme, is not intended that the limit to scope
System, every without departing from any letter perhaps according to the technical spirit of the present invention, above scheme made in technical solution of the present invention
Single amendment, equivalent variations and modification, within all still falling within scope.
Claims (3)
1. a resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material, it is characterised in that: have following composition and
Mass percent (%): C:0.1-0.4, Cr18.0-23.0, Ni:6.0-8.0, N0.1-0.3, Al:0.3-1.5, Mn≤1.5, Si
≤ 1.0, P≤0.03, S≤0.03, Zr0.05-0.2, Y0.05-0.2, surplus is Fe and inevitable impurity.
Resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material the most according to claim 1, it is characterised in that: its
Room temperature tensile intensity is 500 more than MPa, and percentage elongation is more than 20%.
Resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material the most according to claim 1 and 2, its production technology
Comprise the following steps: the smelting process that employing is conventional, moulding by casting after dispensing is founded, then through solution treatment, its feature
Being: after 1050 DEG C of solution treatment, it is organized as austenite+AlN+ carbide.
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| CN201610558305.3A CN106048420B (en) | 2016-07-15 | 2016-07-15 | A kind of resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material |
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| CN201610558305.3A CN106048420B (en) | 2016-07-15 | 2016-07-15 | A kind of resource-conserving resistance to high temperature oxidation abrasion-proof stainless steel alloy material |
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| CN106048420A true CN106048420A (en) | 2016-10-26 |
| CN106048420B CN106048420B (en) | 2018-06-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042340A (en) * | 2021-01-29 | 2021-06-29 | 宁波东洲传动件有限公司 | Surface treatment process for high-load injection molding rod end oscillating bearing |
| CN113293335A (en) * | 2021-07-27 | 2021-08-24 | 科华控股股份有限公司 | Low-nickel precipitation hardening austenitic heat-resistant steel material and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0448030A (en) * | 1990-06-14 | 1992-02-18 | Nisshin Steel Co Ltd | Hot working method for martensitic stainless steel excellent in ductility at high temperature |
| CN103556070A (en) * | 2013-10-31 | 2014-02-05 | 万宝力不锈钢制品（东莞）有限公司 | High-wear-resisting stainless steel coffee maker material and preparation method thereof |
| CN104670326A (en) * | 2015-01-04 | 2015-06-03 | 宁波工程学院 | High-resistance stable steering device of semi-trailer tractor |
-
2016
- 2016-07-15 CN CN201610558305.3A patent/CN106048420B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0448030A (en) * | 1990-06-14 | 1992-02-18 | Nisshin Steel Co Ltd | Hot working method for martensitic stainless steel excellent in ductility at high temperature |
| CN103556070A (en) * | 2013-10-31 | 2014-02-05 | 万宝力不锈钢制品（东莞）有限公司 | High-wear-resisting stainless steel coffee maker material and preparation method thereof |
| CN104670326A (en) * | 2015-01-04 | 2015-06-03 | 宁波工程学院 | High-resistance stable steering device of semi-trailer tractor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113042340A (en) * | 2021-01-29 | 2021-06-29 | 宁波东洲传动件有限公司 | Surface treatment process for high-load injection molding rod end oscillating bearing |
| CN113293335A (en) * | 2021-07-27 | 2021-08-24 | 科华控股股份有限公司 | Low-nickel precipitation hardening austenitic heat-resistant steel material and application thereof |
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| Publication number | Publication date |
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| CN106048420B (en) | 2018-06-26 |
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Effective date of registration: 20220901 Address after: No. 9, Shunda Road, Science and Technology Industrial Park, Xinghua City, Taizhou City, Jiangsu Province, 225700 Patentee after: XINGHUA ZHENTAI ALLOY STEEL Co.,Ltd. Address before: 225721 science and Technology Park, Dainan Town, Xinghua City, Taizhou City, Jiangsu Province Patentee before: XINGHUA SPECIAL STAINLESS STEEL INSTITUTE OF SHANGHAI University |
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Effective date of registration: 20230620 Address after: No.1, Kangmin East Road, Xinghua science and Technology Industrial Park, Taizhou City, Jiangsu Province 225700 Patentee after: XINGHUA HENGYUAN SPECIAL STEEL Co.,Ltd. Address before: No. 9, Shunda Road, Science and Technology Industrial Park, Xinghua City, Taizhou City, Jiangsu Province, 225700 Patentee before: XINGHUA ZHENTAI ALLOY STEEL Co.,Ltd. |
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