JPS57207155A - Ni steel having weld zone with high rupture toughness - Google Patents
Ni steel having weld zone with high rupture toughnessInfo
- Publication number
- JPS57207155A JPS57207155A JP9152481A JP9152481A JPS57207155A JP S57207155 A JPS57207155 A JP S57207155A JP 9152481 A JP9152481 A JP 9152481A JP 9152481 A JP9152481 A JP 9152481A JP S57207155 A JPS57207155 A JP S57207155A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- weld zone
- toughness
- high rupture
- element selected
- 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
- Nonmetallic Welding Materials (AREA)
- Arc Welding In General (AREA)
Abstract
PURPOSE: To obtain an Ni steel having a weld zone with high rupture toughness by adding C, Si, Mn, Ni, N, P, Al, Ta and S to Fe in a specified ratio.
CONSTITUTION: An Ni steel consisting of ≤0.18% C, 0.02W0.80% Si, 0.40W2.0% Mn, >6W13.5% Ni, ≤0.010% total N, ≤0.020% P, ≤0.10% Al, 0.003W0.10% Ta, ≤0.015% S and the balance essentially Fe is prepared. To said composition may be added ≥1 kind of element selected from ≤0.1% each of Ti, REM, Ca and Mg, and/or ≥1 kind of element selected from ≤3% each of Cr, Mo, Nb, V and Cu. As the notch toughness of the weld heat-affected zone of the resulting steel ≥ about 0.15mm COD at about -196°C and ≥ about 6.0kg-m 2mmV notch Charpy impact value can be ensured at a thick plate welded joint with about 30W60kJ/cm welding heat input.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9152481A JPS57207155A (en) | 1981-06-16 | 1981-06-16 | Ni steel having weld zone with high rupture toughness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9152481A JPS57207155A (en) | 1981-06-16 | 1981-06-16 | Ni steel having weld zone with high rupture toughness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57207155A true JPS57207155A (en) | 1982-12-18 |
Family
ID=14028803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9152481A Pending JPS57207155A (en) | 1981-06-16 | 1981-06-16 | Ni steel having weld zone with high rupture toughness |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57207155A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015156179A1 (en) * | 2014-04-08 | 2015-10-15 | 株式会社神戸製鋼所 | Thick steel plate having exceptional haz toughness at very low temperatures |
| CN105543694A (en) * | 2015-12-29 | 2016-05-04 | 东北大学 | Preparation method of 7Ni steel plate for liquefied natural gas storage tank |
-
1981
- 1981-06-16 JP JP9152481A patent/JPS57207155A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015156179A1 (en) * | 2014-04-08 | 2015-10-15 | 株式会社神戸製鋼所 | Thick steel plate having exceptional haz toughness at very low temperatures |
| JP2015199983A (en) * | 2014-04-08 | 2015-11-12 | 株式会社神戸製鋼所 | Thick steel plate having excellent haz toughness at very low temperatures |
| CN105543694A (en) * | 2015-12-29 | 2016-05-04 | 东北大学 | Preparation method of 7Ni steel plate for liquefied natural gas storage tank |
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