JPS57110652A - High tensile steel for low temperature use with satisfactory high efficiency weldability - Google Patents
High tensile steel for low temperature use with satisfactory high efficiency weldabilityInfo
- Publication number
- JPS57110652A JPS57110652A JP18671780A JP18671780A JPS57110652A JP S57110652 A JPS57110652 A JP S57110652A JP 18671780 A JP18671780 A JP 18671780A JP 18671780 A JP18671780 A JP 18671780A JP S57110652 A JPS57110652 A JP S57110652A
- Authority
- JP
- Japan
- Prior art keywords
- impurities
- tensile steel
- high tensile
- weldability
- low temperature
- 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
- Heat Treatment Of Steel (AREA)
Abstract
PURPOSE: To obtain a high tensile steel for low temp. use having high rupture toughness at its weld heat-affected zone adjacent to weld metal when high efficiency welding is applied, by adding a prescribed percentage each of C, Si, Mn, Cr, Ni and Al and restricting the content of each of P, S and N as impurities and the total amount of other impurities.
CONSTITUTION: The titled high tensile steel for low temp. use consists of ≤ 0.10% C, ≤0.60% Si, ≤1.6% Mn, 0.1W1.5% Cr, 0.2W10% Ni, 0.003W0.10% Al and the balance Fe with impurities. The contents of P, S and N among the impurities are essentially restricted to ≤0.015%, ≤0.0050% and ≤0.0050%, respectively, and the total amount of the other impurities is also regulated to ≤ 0.02%. As a result, by adding Cr to low N steel, a superior synergistic effect of Cr and less N is shown to provide an improved structure to the high tensile steel.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18671780A JPS57110652A (en) | 1980-12-29 | 1980-12-29 | High tensile steel for low temperature use with satisfactory high efficiency weldability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18671780A JPS57110652A (en) | 1980-12-29 | 1980-12-29 | High tensile steel for low temperature use with satisfactory high efficiency weldability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57110652A true JPS57110652A (en) | 1982-07-09 |
Family
ID=16193398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18671780A Pending JPS57110652A (en) | 1980-12-29 | 1980-12-29 | High tensile steel for low temperature use with satisfactory high efficiency weldability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57110652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6227555A (en) * | 1985-07-29 | 1987-02-05 | Kawasaki Steel Corp | Low-alloy tempered forged steel excellent in falling weight characteristics |
-
1980
- 1980-12-29 JP JP18671780A patent/JPS57110652A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6227555A (en) * | 1985-07-29 | 1987-02-05 | Kawasaki Steel Corp | Low-alloy tempered forged steel excellent in falling weight characteristics |
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