JPS622613B2 - - Google Patents
Info
- Publication number
- JPS622613B2 JPS622613B2 JP22034082A JP22034082A JPS622613B2 JP S622613 B2 JPS622613 B2 JP S622613B2 JP 22034082 A JP22034082 A JP 22034082A JP 22034082 A JP22034082 A JP 22034082A JP S622613 B2 JPS622613 B2 JP S622613B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- rolling
- toughness
- cooling
- temperature
- 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
Links
- 238000001816 cooling Methods 0.000 claims description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 33
- 239000010959 steel Substances 0.000 claims description 33
- 238000005096 rolling process Methods 0.000 claims description 31
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000006104 solid solution Substances 0.000 claims description 7
- 238000010583 slow cooling Methods 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 description 11
- 238000000926 separation method Methods 0.000 description 7
- 239000010953 base metal Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000002436 steel type Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229910001563 bainite Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000003749 cleanliness Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22034082A JPS59113120A (ja) | 1982-12-17 | 1982-12-17 | 溶接性と低温靭性の優れた低炭素当量高張力鋼の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22034082A JPS59113120A (ja) | 1982-12-17 | 1982-12-17 | 溶接性と低温靭性の優れた低炭素当量高張力鋼の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59113120A JPS59113120A (ja) | 1984-06-29 |
JPS622613B2 true JPS622613B2 (enrdf_load_stackoverflow) | 1987-01-21 |
Family
ID=16749609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP22034082A Granted JPS59113120A (ja) | 1982-12-17 | 1982-12-17 | 溶接性と低温靭性の優れた低炭素当量高張力鋼の製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59113120A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62205230A (ja) * | 1986-03-04 | 1987-09-09 | Kobe Steel Ltd | 脆性亀裂伝播停止特性の優れた低温用鋼板の製造方法 |
CN100396809C (zh) * | 2005-09-12 | 2008-06-25 | 鞍钢股份有限公司 | 大线能量低焊接裂纹敏感性厚钢板及其生产方法 |
CN110714171B (zh) * | 2019-10-13 | 2021-08-24 | 河钢股份有限公司 | 一种高延展性的eh420级别船板钢及其生产方法 |
-
1982
- 1982-12-17 JP JP22034082A patent/JPS59113120A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59113120A (ja) | 1984-06-29 |