JPS56139665A - Lead free cutting steel - Google Patents
Lead free cutting steelInfo
- Publication number
- JPS56139665A JPS56139665A JP4218580A JP4218580A JPS56139665A JP S56139665 A JPS56139665 A JP S56139665A JP 4218580 A JP4218580 A JP 4218580A JP 4218580 A JP4218580 A JP 4218580A JP S56139665 A JPS56139665 A JP S56139665A
- Authority
- JP
- Japan
- Prior art keywords
- lead free
- free cutting
- steel
- cutting steel
- machinability
- 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
- Treatment Of Steel In Its Molten State (AREA)
Abstract
PURPOSE: To provide both toughness and machinability to a lead free cutting steel contg. C, Si, Mn, P, S, Pb, Nb and Al by extremely reducing the amount of Al2O3 inclusion in the steel.
CONSTITUTION: This lead free cutting steel has a composition consisting of 0.10W 0.80% C, 0.05W0.35% Si, 0.2W1.5% Mn, ≤0.1% P, ≤0.15% S, ≤0.4% Pb, ≤0.1% Nb, ≤0.005% Al or further if necessary, ≤2.0% Cr and/or ≤0.5% Mo and the balance practically Fe. This steel shows the effect elongating the life of a tool in a relatively low-speed cutting region, and it is suitable for use as a strong member for a machine structure.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4218580A JPS56139665A (en) | 1980-03-31 | 1980-03-31 | Lead free cutting steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4218580A JPS56139665A (en) | 1980-03-31 | 1980-03-31 | Lead free cutting steel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56139665A true JPS56139665A (en) | 1981-10-31 |
Family
ID=12628938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4218580A Pending JPS56139665A (en) | 1980-03-31 | 1980-03-31 | Lead free cutting steel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56139665A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5993860A (en) * | 1982-11-19 | 1984-05-30 | Sanyo Tokushu Seikou Kk | Free-cutting carburizing steel with high cold forgeability |
-
1980
- 1980-03-31 JP JP4218580A patent/JPS56139665A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5993860A (en) * | 1982-11-19 | 1984-05-30 | Sanyo Tokushu Seikou Kk | Free-cutting carburizing steel with high cold forgeability |
JPS6332859B2 (en) * | 1982-11-19 | 1988-07-01 | Sanyo Special Steel Co Ltd |
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