JPH0414179B2 - - Google Patents
Info
- Publication number
- JPH0414179B2 JPH0414179B2 JP60232733A JP23273385A JPH0414179B2 JP H0414179 B2 JPH0414179 B2 JP H0414179B2 JP 60232733 A JP60232733 A JP 60232733A JP 23273385 A JP23273385 A JP 23273385A JP H0414179 B2 JPH0414179 B2 JP H0414179B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- cod
- ccod
- steel
- tmcp
- 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.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 50
- 239000010959 steel Substances 0.000 claims description 50
- 238000005204 segregation Methods 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 238000009749 continuous casting Methods 0.000 claims description 10
- 238000010791 quenching Methods 0.000 claims description 10
- 230000000171 quenching effect Effects 0.000 claims description 10
- 238000005496 tempering Methods 0.000 claims description 10
- 238000011282 treatment Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- RMLPZKRPSQVRAB-UHFFFAOYSA-N tris(3-methylphenyl) phosphate Chemical compound CC1=CC=CC(OP(=O)(OC=2C=C(C)C=CC=2)OC=2C=C(C)C=CC=2)=C1 RMLPZKRPSQVRAB-UHFFFAOYSA-N 0.000 claims 4
- 239000000463 material Substances 0.000 description 12
- 229910000734 martensite Inorganic materials 0.000 description 11
- 238000012360 testing method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000003466 welding Methods 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000000611 regression analysis Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23273385A JPS6293346A (ja) | 1985-10-18 | 1985-10-18 | 溶接部のcod特性の優れた高張力鋼 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23273385A JPS6293346A (ja) | 1985-10-18 | 1985-10-18 | 溶接部のcod特性の優れた高張力鋼 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6293346A JPS6293346A (ja) | 1987-04-28 |
JPH0414179B2 true JPH0414179B2 (sk) | 1992-03-12 |
Family
ID=16943926
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23273385A Granted JPS6293346A (ja) | 1985-10-18 | 1985-10-18 | 溶接部のcod特性の優れた高張力鋼 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6293346A (sk) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012005330A1 (ja) | 2010-07-09 | 2012-01-12 | 新日本製鐵株式会社 | Ni添加鋼板およびその製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6421036A (en) * | 1987-07-14 | 1989-01-24 | Kawasaki Steel Co | High strength thick steel having superior cod characteristic in weld zone |
FR2668169B1 (fr) * | 1990-10-18 | 1993-01-22 | Lorraine Laminage | Acier a soudabilite amelioree. |
JP5924058B2 (ja) | 2011-10-03 | 2016-05-25 | Jfeスチール株式会社 | 溶接熱影響部の低温靭性に優れた高張力鋼板およびその製造方法 |
CN103695769B (zh) * | 2013-12-26 | 2016-08-17 | 南阳汉冶特钢有限公司 | 一种高强度fh40海洋工程用钢钢板及其生产方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61170541A (ja) * | 1985-01-24 | 1986-08-01 | Kobe Steel Ltd | ホイ−ルリム用高強度熱延鋼板 |
-
1985
- 1985-10-18 JP JP23273385A patent/JPS6293346A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61170541A (ja) * | 1985-01-24 | 1986-08-01 | Kobe Steel Ltd | ホイ−ルリム用高強度熱延鋼板 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012005330A1 (ja) | 2010-07-09 | 2012-01-12 | 新日本製鐵株式会社 | Ni添加鋼板およびその製造方法 |
US8882942B2 (en) | 2010-07-09 | 2014-11-11 | Nippon Steel & Sumitomo Metal Corporation | Ni-added steel plate and method of manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
JPS6293346A (ja) | 1987-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |