JPS5569241A - Weldable high strength steel for high heat input welding - Google Patents
Weldable high strength steel for high heat input weldingInfo
- Publication number
- JPS5569241A JPS5569241A JP10044579A JP10044579A JPS5569241A JP S5569241 A JPS5569241 A JP S5569241A JP 10044579 A JP10044579 A JP 10044579A JP 10044579 A JP10044579 A JP 10044579A JP S5569241 A JPS5569241 A JP S5569241A
- Authority
- JP
- Japan
- Prior art keywords
- content
- heat input
- strength steel
- high heat
- steel
- 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
- Arc Welding In General (AREA)
Abstract
PURPOSE: To enhance the toughness of a high strength steel by raising the sol. Al content of the steel and minimizing the Si content to lower the embrittlement sensitivity of a weld bond zone in high heat input welding.
CONSTITUTION: The title steel cintains C 0.04W0.18%, Si<0.09%, Mn 0.60W 2.0%, sol. Al 0.03W0.10%, N2<0.012%, one or more out of O2 0.001W0.007%, V 0.02W0.10% and Nb 0.01W0.04%, one or more out of Cu<0.50%, Ni<1.0%, Mo<0.40% and Cr<0.50%, and Ti 0.005W0.05% and/or B 0.001W0.005%. Since the Si content is very low and the Al content is relatively high, Al dexidation is induced. Fine Al2O3 as a deoxidation product is stable at high temp., prevents austenite grains from coarsening owing to welding heat, promotes formation of fine ferrite, and enhances the impact performance of a high heat input weld bond zone.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10044579A JPS5569241A (en) | 1979-08-06 | 1979-08-06 | Weldable high strength steel for high heat input welding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10044579A JPS5569241A (en) | 1979-08-06 | 1979-08-06 | Weldable high strength steel for high heat input welding |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8740074A Division JPS5114813A (en) | 1974-07-29 | 1974-07-29 | DAINYUNETSUYOSETSUYOYOSETSUSEIKOCHORYOKUKO |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5569241A true JPS5569241A (en) | 1980-05-24 |
Family
ID=14274116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10044579A Pending JPS5569241A (en) | 1979-08-06 | 1979-08-06 | Weldable high strength steel for high heat input welding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5569241A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4827919A (en) * | 1971-08-16 | 1973-04-13 | ||
JPS5116890A (en) * | 1974-08-01 | 1976-02-10 | Suwa Seikosha Kk | SUISHOSHINDOSHI |
-
1979
- 1979-08-06 JP JP10044579A patent/JPS5569241A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4827919A (en) * | 1971-08-16 | 1973-04-13 | ||
JPS5116890A (en) * | 1974-08-01 | 1976-02-10 | Suwa Seikosha Kk | SUISHOSHINDOSHI |
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