CN107523759A - A kind of new two phase stainless steel - Google Patents
A kind of new two phase stainless steel Download PDFInfo
- Publication number
- CN107523759A CN107523759A CN201710738361.XA CN201710738361A CN107523759A CN 107523759 A CN107523759 A CN 107523759A CN 201710738361 A CN201710738361 A CN 201710738361A CN 107523759 A CN107523759 A CN 107523759A
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- stainless steel
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- steel
- mass fraction
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Classifications
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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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
Abstract
The invention discloses a kind of new two phase stainless steel, it is mixed by martensitic stain less steel and ferritic stainless steel, and the martensitic stain less steel includes：Molybdenum rod element, manganese element, chromium, described ferritic stainless steel include：Carbon, ferro element, P elements, nickel element, the mass fraction of each component is in the martensitic stain less steel：6 10 parts of molybdenum rod element, 15 parts of manganese element, 0.5 3 parts of chromium, the mass fraction of each component is in described ferritic stainless steel：5 15 parts of carbon, 2.5 8 parts of ferro element, 1.5 3 parts of P elements, 0.5 3 parts of nickel element.New two phase stainless steel provided by the invention, plasticity, the toughness of such steel are higher, and no brittleness at room temperature, intergranular corrosion resistance performance and welding performance are significantly increased, while the two phase stainless steel has excellent resistance to pitting performance, and a kind of section nickel and stainless steel.
Description
Technical field
The present invention relates to the industry of Steel material, relates in particular to a kind of new two phase stainless steel.
Background technology
The general not resistant to chemical media of common stainless steel corrodes, and acid resisting steel then generally has rustless property, " stainless steel " one
Word not exclusively refers to merely a kind of stainless steel, but represents more than the 100 industrial stainless steels of kind, and the every kind of stainless steel capital developed exists
Its specific application field has good performance.
The content of the invention
The present invention solves the technical problem of providing a kind of new two phase stainless steel, the plasticity of such steel, toughness are more
Height, no brittleness at room temperature, intergranular corrosion resistance performance and welding performance are significantly increased, at the same the two phase stainless steel have it is excellent resistance to
Pitting performance, and a kind of section nickel and stainless steel.
In order to solve the above technical problems, one aspect of the present invention is：A kind of new two phase stainless steel, it is special
Sign is that it is mixed by martensitic stain less steel and ferritic stainless steel, and martensite is stainless in the new two phase stainless steel
Steel and ferritic stainless steel mass ratio are 3:2.5, the martensitic stain less steel includes：Molybdenum rod element, manganese element, chromium,
Described ferritic stainless steel includes：Carbon, ferro element, P elements, nickel element, each component in the martensitic stain less steel
Mass fraction be：Molybdenum rod element 6-10 parts, manganese element 1-5 parts, chromium 0.5-3 parts are each in described ferritic stainless steel
The mass fraction of component is：Carbon 5-15 parts, ferro element 2.5-8 parts, P elements 1.5-3 parts, nickel element 0.5-3 parts.
In a preferred embodiment of the present invention, martensitic stain less steel and ferrite be not in described new two phase stainless steel
The steel quality ratio that becomes rusty is 2.5:3.5.
In a preferred embodiment of the present invention, the mass fraction of each component is in described martensitic stain less steel：Molybdenum rod
6 parts of element, 1 part of manganese element, 0.5 part of chromium.
In a preferred embodiment of the present invention, the mass fraction of each component is in described martensitic stain less steel：Molybdenum rod
8 parts of element, 3 parts of manganese element, 1.5 parts of chromium.
In a preferred embodiment of the present invention, the mass fraction of each component is in described ferritic stainless steel：Carbon member
10 parts of element, 5.5 parts of ferro element, 2.5 parts of P elements, 0.5 part of nickel element.
In a preferred embodiment of the present invention, the mass fraction of each component is in described ferritic stainless steel：Carbon member
15 parts of element, 8 parts of ferro element, 3 parts of P elements, 3 parts of nickel element.
The beneficial effects of the invention are as follows：New two phase stainless steel provided by the invention, plasticity, the toughness of such steel are higher,
Without brittleness at room temperature, intergranular corrosion resistance performance and welding performance are significantly increased, while the two phase stainless steel has excellent resistance to hole
Corrosion energy, and a kind of section nickel and stainless steel.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
The embodiment of the present invention includes：
A kind of new two phase stainless steel, it is characterised in that it is mixed by martensitic stain less steel and ferritic stainless steel, described
Martensitic stain less steel and ferritic stainless steel mass ratio are 3 in new two phase stainless steel:2.5, wrap in the martensitic stain less steel
Include：Molybdenum rod element, manganese element, chromium, described ferritic stainless steel include：Carbon, ferro element, P elements, nickel member
Element, the mass fraction of each component is in the martensitic stain less steel：Molybdenum rod element 6-10 parts, manganese element 1-5 parts, chromium 0.5-
3 parts, the mass fraction of each component is in described ferritic stainless steel：Carbon 5-15 parts, ferro element 2.5-8 parts, P elements
1.5-3 parts, nickel element 0.5-3 parts.
In above-mentioned, martensitic stain less steel and ferritic stainless steel mass ratio are 2.5 in described new two phase stainless steel:
3.5。
In above-mentioned, the mass fraction of each component is in described martensitic stain less steel：6 parts of molybdenum rod element, 1 part of manganese element,
0.5 part of chromium.
In above-mentioned, the mass fraction of each component is in described martensitic stain less steel：8 parts of molybdenum rod element, 3 parts of manganese element,
1.5 parts of chromium.
Further, the mass fraction of each component is in described ferritic stainless steel：10 parts of carbon, ferro element 5.5
Part, 2.5 parts of P elements, 0.5 part of nickel element.
Further, the mass fraction of each component is in described ferritic stainless steel：15 parts of carbon, 8 parts of ferro element,
3 parts of P elements, 3 parts of nickel element.
In summary, new two phase stainless steel provided by the invention, plasticity, the toughness of such steel are higher, no brittleness at room temperature,
Intergranular corrosion resistance performance and welding performance are significantly increased, while the two phase stainless steel has excellent resistance to pitting performance, and
One kind section nickel and stainless steel.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (6)
1. a kind of new two phase stainless steel, it is characterised in that it is mixed by martensitic stain less steel and ferritic stainless steel, institute
It is 3 to state martensitic stain less steel and ferritic stainless steel mass ratio in new two phase stainless steel:2.5, in the martensitic stain less steel
Including：Molybdenum rod element, manganese element, chromium, described ferritic stainless steel include：Carbon, ferro element, P elements, nickel
Element, the mass fraction of each component is in the martensitic stain less steel：Molybdenum rod element 6-10 parts, manganese element 1-5 parts, chromium
0.5-3 parts, the mass fraction of each component is in described ferritic stainless steel：Carbon 5-15 parts, ferro element 2.5-8 parts, phosphorus
Element 1.5-3 parts, nickel element 0.5-3 parts.
2. new two phase stainless steel according to claim 1, it is characterised in that geneva in described new two phase stainless steel
Body stainless steel and ferritic stainless steel mass ratio are 2.5:3.5.
3. new two phase stainless steel according to claim 1, it is characterised in that each component in described martensitic stain less steel
Mass fraction be：6 parts of molybdenum rod element, 1 part of manganese element, 0.5 part of chromium.
4. new two phase stainless steel according to claim 1, it is characterised in that each component in described martensitic stain less steel
Mass fraction be：8 parts of molybdenum rod element, 3 parts of manganese element, 1.5 parts of chromium.
5. new two phase stainless steel according to claim 1, it is characterised in that each component in described ferritic stainless steel
Mass fraction be：10 parts of carbon, 5.5 parts of ferro element, 2.5 parts of P elements, 0.5 part of nickel element.
6. new two phase stainless steel according to claim 1, it is characterised in that each component in described ferritic stainless steel
Mass fraction be：15 parts of carbon, 8 parts of ferro element, 3 parts of P elements, 3 parts of nickel element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738361.XA CN107523759A (en) | 2017-08-25 | 2017-08-25 | A kind of new two phase stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738361.XA CN107523759A (en) | 2017-08-25 | 2017-08-25 | A kind of new two phase stainless steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107523759A true CN107523759A (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710738361.XA Pending CN107523759A (en) | 2017-08-25 | 2017-08-25 | A kind of new two phase stainless steel |
Country Status (1)
| Country | Link |
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| CN (1) | CN107523759A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1514885A (en) * | 2001-06-11 | 2004-07-21 | �����Ƹ���ʽ���� | Double phase stainless steel strip for steel belt |
| CN1914344A (en) * | 2004-01-29 | 2007-02-14 | 杰富意钢铁株式会社 | Austenitic-ferritic stainless steel with excellent formability |
-
2017
- 2017-08-25 CN CN201710738361.XA patent/CN107523759A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1514885A (en) * | 2001-06-11 | 2004-07-21 | �����Ƹ���ʽ���� | Double phase stainless steel strip for steel belt |
| CN1914344A (en) * | 2004-01-29 | 2007-02-14 | 杰富意钢铁株式会社 | Austenitic-ferritic stainless steel with excellent formability |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171229 |
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| RJ01 | Rejection of invention patent application after publication |