JPS57134541A - Manufacture of low-carbon sulfur free cutting steel - Google Patents
Manufacture of low-carbon sulfur free cutting steelInfo
- Publication number
- JPS57134541A JPS57134541A JP2013881A JP2013881A JPS57134541A JP S57134541 A JPS57134541 A JP S57134541A JP 2013881 A JP2013881 A JP 2013881A JP 2013881 A JP2013881 A JP 2013881A JP S57134541 A JPS57134541 A JP S57134541A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- free cutting
- low
- manufacture
- sulfur free
- 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
- Continuous Casting (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE: To manufacture a low-carbon sulfur free cutting steel with superior machinability and surface properties by controlling the oxygen content of a steel to a specified low range in accordance with the rolling ratio of a product and casting the resulting steel by a continuous casting method.
CONSTITUTION: In the manufacture of a sulfur free cutting steel contg. ≤0.15% C, ≤0.03% Si, 0.70W1.50% Mn, 0.040W0.120% P and 0.24W0.35% S, the oxygen content of a steel is controlled to 70W200ppm in accordance with the rolling ratio of a product, and this molten steel is cast by a continuous casting method. By this method a spindle-shaped MnS inclusion giving high machinability is obtd., and low-carbon sulfur free cutting steel with superior surface properties is manufactured.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013881A JPS57134541A (en) | 1981-02-16 | 1981-02-16 | Manufacture of low-carbon sulfur free cutting steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013881A JPS57134541A (en) | 1981-02-16 | 1981-02-16 | Manufacture of low-carbon sulfur free cutting steel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57134541A true JPS57134541A (en) | 1982-08-19 |
Family
ID=12018767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013881A Pending JPS57134541A (en) | 1981-02-16 | 1981-02-16 | Manufacture of low-carbon sulfur free cutting steel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57134541A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59177347A (en) * | 1983-03-15 | 1984-10-08 | バルルツク | Manufacture of high cuttability steel |
JPS60110849A (en) * | 1983-11-22 | 1985-06-17 | Nippon Steel Corp | Free-cutting steel for polishing |
JPS6267154A (en) * | 1985-09-19 | 1987-03-26 | Daido Steel Co Ltd | Free-cutting steel for pressure resistant parts and its manufacture |
-
1981
- 1981-02-16 JP JP2013881A patent/JPS57134541A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59177347A (en) * | 1983-03-15 | 1984-10-08 | バルルツク | Manufacture of high cuttability steel |
JPH0368099B2 (en) * | 1983-03-15 | 1991-10-25 | Vallourec | |
JPS60110849A (en) * | 1983-11-22 | 1985-06-17 | Nippon Steel Corp | Free-cutting steel for polishing |
JPS6267154A (en) * | 1985-09-19 | 1987-03-26 | Daido Steel Co Ltd | Free-cutting steel for pressure resistant parts and its manufacture |
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