JPS57114643A - High mn nonmagnetic steel with superior machinability - Google Patents
High mn nonmagnetic steel with superior machinabilityInfo
- Publication number
- JPS57114643A JPS57114643A JP134081A JP134081A JPS57114643A JP S57114643 A JPS57114643 A JP S57114643A JP 134081 A JP134081 A JP 134081A JP 134081 A JP134081 A JP 134081A JP S57114643 A JPS57114643 A JP S57114643A
- Authority
- JP
- Japan
- Prior art keywords
- machinability
- steel
- less
- nonmagnetic steel
- enhance
- 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.)
- Pending
Links
Landscapes
- Hard Magnetic Materials (AREA)
Abstract
PURPOSE: To enhance the machinability of a high Mn nonmagnetic steel, especially the punchability by adding S and Cu to the steel.
CONSTITUTION: This high Mn nonmagnetic steel with superior machinability consists of 0.2W0.7% C, ≤2% Si, 6W12% Mn, 0.1W0.35% S, 2W10% Ni, 2W10% Cu, 0.01W0.1% N and the balance Fe with impurities or further contains ≤0.60% one or more among Zr, Ti and Se. S forms composite sulfide inclusion together with Mn and Ti, yet less than the lower limit of S produces no effect, and more than the upper limit of S does not enhance the machinability. Cu is an element stabilizing the austenite phase, and such a proper quantity of Cu has an effect of improving the machinability and increases stacking fault energy in the steel. Accordingly, the work hardening of shavings is relieved during cutting, and crater wear and flank wear are reduced to elongate the life of tool steel. These effects are not produced by less than the lower limit of Cu, and more than the upper limit of Cu produces less effects and deteriorates the hot workability remarkably.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP134081A JPS57114643A (en) | 1981-01-08 | 1981-01-08 | High mn nonmagnetic steel with superior machinability |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP134081A JPS57114643A (en) | 1981-01-08 | 1981-01-08 | High mn nonmagnetic steel with superior machinability |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57114643A true JPS57114643A (en) | 1982-07-16 |
Family
ID=11498760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP134081A Pending JPS57114643A (en) | 1981-01-08 | 1981-01-08 | High mn nonmagnetic steel with superior machinability |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57114643A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006240679A (en) * | 2005-03-03 | 2006-09-14 | Dainippon Printing Co Ltd | Standing pouch |
EP2799581A4 (en) * | 2011-12-28 | 2016-02-24 | Posco | Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same |
-
1981
- 1981-01-08 JP JP134081A patent/JPS57114643A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006240679A (en) * | 2005-03-03 | 2006-09-14 | Dainippon Printing Co Ltd | Standing pouch |
EP2799581A4 (en) * | 2011-12-28 | 2016-02-24 | Posco | Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same |
US9650703B2 (en) | 2011-12-28 | 2017-05-16 | Posco | Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same |
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