JPS5597429A - Surface hardening method of austenite steel - Google Patents
Surface hardening method of austenite steelInfo
- Publication number
- JPS5597429A JPS5597429A JP456579A JP456579A JPS5597429A JP S5597429 A JPS5597429 A JP S5597429A JP 456579 A JP456579 A JP 456579A JP 456579 A JP456579 A JP 456579A JP S5597429 A JPS5597429 A JP S5597429A
- Authority
- JP
- Japan
- Prior art keywords
- surface layer
- content
- formula
- austenite steel
- satisfy
- 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.)
- Granted
Links
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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
PURPOSE:To enhance product life time to a large extent by a method wherein decarburization treatment is carried out such that C content of a surface layer of an austenite steel comprising a specific component composition such as C, Si or the like as well as having a specific relation between C, Mn and Ni is adjusted so as to satisfy a specific formula and, thereby a surface layer is hardened at a low cost. CONSTITUTION:An austenite steel containing C; 0.3-1.3%, Si; <=2%, Mn; <= 1.6%, Ni; <=8%, of which C content satisfies a formula C%>=[1-1/18(Mn%+ Ni%)] (a range shown by a solid line) and (Mn+Ni) content is 5-16% is subjected to decarburization treatment to adjust C content of a surface layer thereof so as to satisfy a formula C%<[1.1-1/10(Mn%+Ni%)] (within a range shown by ablique lines). Thereby, the surface layer is deformed to martensite by a simple method compared to a conventional method to form a hardened layer and an obtained steel can be applied as a material for requiring abrasion resistance as well as it's product life time is enhanced to a large extent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP456579A JPS5597429A (en) | 1979-01-18 | 1979-01-18 | Surface hardening method of austenite steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP456579A JPS5597429A (en) | 1979-01-18 | 1979-01-18 | Surface hardening method of austenite steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5597429A true JPS5597429A (en) | 1980-07-24 |
| JPS6117884B2 JPS6117884B2 (en) | 1986-05-09 |
Family
ID=11587551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP456579A Granted JPS5597429A (en) | 1979-01-18 | 1979-01-18 | Surface hardening method of austenite steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5597429A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5575867A (en) * | 1994-08-24 | 1996-11-19 | Bayer Aktiengesellschaft | Method of preventing local corrosion at weld joints |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH043586Y2 (en) * | 1986-09-08 | 1992-02-04 |
-
1979
- 1979-01-18 JP JP456579A patent/JPS5597429A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5575867A (en) * | 1994-08-24 | 1996-11-19 | Bayer Aktiengesellschaft | Method of preventing local corrosion at weld joints |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6117884B2 (en) | 1986-05-09 |
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