JPS5623257A - Cr-mo steel for pressure vessel having superior sr embrittlement resistance - Google Patents
Cr-mo steel for pressure vessel having superior sr embrittlement resistanceInfo
- Publication number
- JPS5623257A JPS5623257A JP9805779A JP9805779A JPS5623257A JP S5623257 A JPS5623257 A JP S5623257A JP 9805779 A JP9805779 A JP 9805779A JP 9805779 A JP9805779 A JP 9805779A JP S5623257 A JPS5623257 A JP S5623257A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- superior
- pressure vessel
- embrittlement resistance
- titled
- 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 obtain the titled Cr-Mo steel free from deterioration in the strength and toughness even in long-time stress relief annealing at a high temp. after welding by combinedly adding a very small amount of Al and B to steel components.
CONSTITUTION: This Cr-Mo steel consists of, 0.03W0.2wt% c, 0.03W1% Si, 0.3W 0.7% Mn, 0.7W1.6% Cr, 0.4W0.7% Mo, 0.015W0.12% Al, 0.0003W0.0025% B and the balance Fe. One or more among ≤0.5% Cu, ≤0.5% Ni and ≤0.05% Nb may be contained furthermore.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9805779A JPS5623257A (en) | 1979-08-02 | 1979-08-02 | Cr-mo steel for pressure vessel having superior sr embrittlement resistance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9805779A JPS5623257A (en) | 1979-08-02 | 1979-08-02 | Cr-mo steel for pressure vessel having superior sr embrittlement resistance |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5623257A true JPS5623257A (en) | 1981-03-05 |
JPS6312935B2 JPS6312935B2 (en) | 1988-03-23 |
Family
ID=14209657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9805779A Granted JPS5623257A (en) | 1979-08-02 | 1979-08-02 | Cr-mo steel for pressure vessel having superior sr embrittlement resistance |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5623257A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60215745A (en) * | 1984-03-23 | 1985-10-29 | Hitachi Metals Ltd | Material for prehardened mold for casting metal having high melting point |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50159409A (en) * | 1974-06-14 | 1975-12-24 |
-
1979
- 1979-08-02 JP JP9805779A patent/JPS5623257A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50159409A (en) * | 1974-06-14 | 1975-12-24 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60215745A (en) * | 1984-03-23 | 1985-10-29 | Hitachi Metals Ltd | Material for prehardened mold for casting metal having high melting point |
Also Published As
Publication number | Publication date |
---|---|
JPS6312935B2 (en) | 1988-03-23 |
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