CN1029323C - Austenite nonmagnetic stainless steel - Google Patents
Austenite nonmagnetic stainless steel Download PDFInfo
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- CN1029323C CN1029323C CN 93121570 CN93121570A CN1029323C CN 1029323 C CN1029323 C CN 1029323C CN 93121570 CN93121570 CN 93121570 CN 93121570 A CN93121570 A CN 93121570A CN 1029323 C CN1029323 C CN 1029323C
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- austenite
- nonmagnetic stainless
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Abstract
The present invention relates to a novel austenite nonmagnetic stainless steel which comprises the chemical compositions: less than 0.12 % of C, less than 1.0 % of Si, 10 to 13 % of Mn, less than 0.03 % of P, less than 0.03 % of S, 12 to 14 % of Cr, 4 to 6 % of Ni, 1.5 to 2.5 % of Cu, less than 0.02 % of Re and the balance of Fe. The preferable chemical compositions are: less than 0.06 to 0.1 % of C, less than 1.0 % of Si, 10 to 11 % of Mn, less than 0.03 % of P, less than 0.03 % of S, 12 to 13 % of Cr, 4 to 5 % of Ni, 1.8 to 2.2 % of Cu, at most 0.02 % of Re and the balance of Fe. Compared with the existing 18-8 type high nickel and chrome austenite stainless steel, the present invention has the advantages of low price, good processing and welding performance, simple technology, corrosion resistance, strong oxidation resistance, no magnetism, etc. The novel austenite nonmagnetic stainless can be produced into various metal products and components, and is an ideal material for industrial products.
Description
What the present invention relates to is a kind of austenite nonmagnetic stainless steel with high corrosion resistance energy.
The existing austenite non-magnetic rustproof steel capital is high nickel chromium stainless steel, and its shortcoming is to cost an arm and a leg, and poor processability is difficult to be shaped.
The objective of the invention is to make a kind of cheap, good processability, technology is simple, anticorrosive, resistance of oxidation is strong Cr-Ni-Mn-Cu is an alloy.
The invention provides a kind of 1Cr12Ni4Mn10Cu2RE austenitic stainless steel, its Chemical Composition is:＜0.12%C, and＜1.0%Si, 10-13%Mn,＜0.03%P,＜0.03%S, 12-14%Cr, 4-6%Ni, 1.5-2.5%Cu, 0＜RE≤0.02%, all the other are Fe.
The preferential selection:＜0.06～0.1%C,＜1.0%Si, 10～11%Mn,＜0.03%P,＜0.03%S, 12～13%Cr, 4～5%Ni, 1.8～2.2%Cu, 0＜RE≤0.02%, all the other are Fe.
The present invention compares with chromium-nickel austenitic stainless steel commonly used (18-8 type), has the following advantages:
1, has stronger erosion resistance, the anticorrosive 18-8 type steel nickel chrome that is better than in acid, alkali, salt;
2, have various preferably comprehensive mechanical performances, austenite structure is stable;
3, have good casting, forge, roll, processing characteristics and weldability such as pressure, deep-draw.
4, this alloy good toughness, unit elongation is greater than 46%, and relative reduction in area is greater than 60%;
5, starting material can adopt ordinary scrap steel, in, low carbon ferromanganese, middle and high carbon ferrochrome, the source is sufficient, cheap, its cost only is 1/2nd of a 18-8 type steel nickel chrome.
Even 6 carry out deep processing, can not produce magnetic yet.
Embodiments of the invention:
The present invention is a raw material with steel scrap, low carbon ferromanganese, medium carbon ferrochrome, metallic nickel, metallic copper and mishmetal, and smelting and pouring becomes ingot casting in medium-frequency induction furnace or electric arc furnace, and fully deoxidation, slagging-off in the melting require need carry out esr when high to material.
Example one, alloy ingredient: 0.061%C, 12.93%Cr, 4.86%Ni, 9.84%Mn, 2.10%Cu, 0.26%Si, 0.008%S, 0.019%P, 0.012%RE, all the other are Fe.Ingot casting is rolled into φ 10mm wire rod, makes wire rod, silk material through operations such as solution treatment, wire drawings.Be used for high-grade bicycle spoke, motorcycle spoke and standardized component, spring.
Example two, alloy ingredient: 0.05%C, 12.33%Cr, 4.38%Ni, 9.85%Mn, 2.07%Cu, 0.285%Si, 0.006%S, 0.019%P, 0.008%RE, all the other are Fe.Ingot casting is rolled into the wide 100mm steel plate of thickness 6mm, makes sheet material, band through solution treatment, operation such as cold rolling, is used for bicycle rim, splash pan, kitchen utensils, furniture and decorates.
More than two examples through comprehensively Performance Detection and tracking test, all conform with related standard requirements.
Claims (2)
1, austenite nonmagnetic stainless steel, it waits to levy is to contain (by weight)
＜0.12%C,＜1.0%Si, 10-13%Mn,＜0.03%P,＜0.03%S, 12-14%Cr, 4-6%Ni, 1.5-2.5%Cu, 0＜RE≤0.02%, all the other are Fe.
2, austenite magnetism-free stainless steel according to claim 1 is characterized in that containing (by weight) 0.06～0.10%C,＜1.0%Si, 10～11%Mn,＜0.03%P,＜0.03%S, 12～13%Cr, 4～5%Ni, 1.8～2.2%Cu, 0＜RE≤0.02%, all the other are Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93121570 CN1029323C (en) | 1993-12-31 | 1993-12-31 | Austenite nonmagnetic stainless steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93121570 CN1029323C (en) | 1993-12-31 | 1993-12-31 | Austenite nonmagnetic stainless steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1089308A CN1089308A (en) | 1994-07-13 |
| CN1029323C true CN1029323C (en) | 1995-07-12 |
Family
ID=4993734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93121570 Expired - Fee Related CN1029323C (en) | 1993-12-31 | 1993-12-31 | Austenite nonmagnetic stainless steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1029323C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345994C (en) * | 2005-07-22 | 2007-10-31 | 凤凰金具有限公司 | Austenitic nonmagnetic steel, and preparation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718183A (en) * | 2017-06-10 | 2021-11-30 | 深圳市富鹏达金属材料有限公司 | Non-magnetic alloy steel |
-
1993
- 1993-12-31 CN CN 93121570 patent/CN1029323C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345994C (en) * | 2005-07-22 | 2007-10-31 | 凤凰金具有限公司 | Austenitic nonmagnetic steel, and preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1089308A (en) | 1994-07-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |