JPS5723047A - Steel material for pipe - Google Patents
Steel material for pipeInfo
- Publication number
- JPS5723047A JPS5723047A JP9834680A JP9834680A JPS5723047A JP S5723047 A JPS5723047 A JP S5723047A JP 9834680 A JP9834680 A JP 9834680A JP 9834680 A JP9834680 A JP 9834680A JP S5723047 A JPS5723047 A JP S5723047A
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel material
- steel
- pipe
- subjected
- 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
Abstract
PURPOSE: To provide a steel material for a line pipe with excellent hydrogen inducing cracking resistance by preparing a steel material containing C, Si, Mn, P, S, Cu, Ni, Al, Ba in a specific ratio.
CONSTITUTION: A steel material containing 0.3% or less C, 0.01W0.8% Si, 0.5W 2.0% Mn, 0.04% or less P, 0.03% or less S, 0.5% or less Cu, 2.0% or less Ni, 0.1% or less Al, 0.003W0.015% Ba and, further, if necessary, one or more of 1.0% or less Cr, 0.04% or less Nb, 0.1% or less V, 0.15% or less Mo and comprising the remainder of Fe and inevitable impurities is prepared. A steel ingot or a cast billet obtained by casting said molten steel is subjected to control rolling and a steel plate obtained after rolling is subjected to a pipe making process to produce a line pipe.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9834680A JPS5945749B2 (en) | 1980-07-17 | 1980-07-17 | Steel material for pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9834680A JPS5945749B2 (en) | 1980-07-17 | 1980-07-17 | Steel material for pipes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5723047A true JPS5723047A (en) | 1982-02-06 |
| JPS5945749B2 JPS5945749B2 (en) | 1984-11-08 |
Family
ID=14217333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9834680A Expired JPS5945749B2 (en) | 1980-07-17 | 1980-07-17 | Steel material for pipes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5945749B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474627A (en) * | 1982-04-22 | 1984-10-02 | Ugine Aciers | Method of manufacturing steel bars and tubes with good mechanical characteristics |
| CN103952639A (en) * | 2014-04-04 | 2014-07-30 | 日照钢铁控股集团有限公司 | Pipeline steel having excellent ductile fracture and preparation method thereof |
-
1980
- 1980-07-17 JP JP9834680A patent/JPS5945749B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474627A (en) * | 1982-04-22 | 1984-10-02 | Ugine Aciers | Method of manufacturing steel bars and tubes with good mechanical characteristics |
| CN103952639A (en) * | 2014-04-04 | 2014-07-30 | 日照钢铁控股集团有限公司 | Pipeline steel having excellent ductile fracture and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5945749B2 (en) | 1984-11-08 |
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