JPH022925B2 - - Google Patents
Info
- Publication number
- JPH022925B2 JPH022925B2 JP56185451A JP18545181A JPH022925B2 JP H022925 B2 JPH022925 B2 JP H022925B2 JP 56185451 A JP56185451 A JP 56185451A JP 18545181 A JP18545181 A JP 18545181A JP H022925 B2 JPH022925 B2 JP H022925B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- continuous casting
- sol
- corrosion cracking
- 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 139
- 239000010959 steel Substances 0.000 claims description 139
- 238000005336 cracking Methods 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 30
- 238000005260 corrosion Methods 0.000 claims description 30
- 230000007797 corrosion Effects 0.000 claims description 30
- 238000009749 continuous casting Methods 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 18
- 239000012535 impurity Substances 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 229910052750 molybdenum Inorganic materials 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052804 chromium Inorganic materials 0.000 claims 4
- 229910052759 nickel Inorganic materials 0.000 claims 4
- 229910052720 vanadium Inorganic materials 0.000 claims 4
- 239000000463 material Substances 0.000 description 26
- 238000005204 segregation Methods 0.000 description 20
- 239000000203 mixture Substances 0.000 description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 11
- 239000001257 hydrogen Substances 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 229910052758 niobium Inorganic materials 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005098 hot rolling Methods 0.000 description 6
- 238000005275 alloying Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000009466 transformation 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (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 |
|---|---|---|---|
| JP18545181A JPS5887221A (ja) | 1981-11-20 | 1981-11-20 | 耐硫化物腐食割れ性に優れた高張力鋼の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18545181A JPS5887221A (ja) | 1981-11-20 | 1981-11-20 | 耐硫化物腐食割れ性に優れた高張力鋼の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5887221A JPS5887221A (ja) | 1983-05-25 |
| JPH022925B2 true JPH022925B2 (fr) | 1990-01-19 |
Family
ID=16171023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18545181A Granted JPS5887221A (ja) | 1981-11-20 | 1981-11-20 | 耐硫化物腐食割れ性に優れた高張力鋼の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5887221A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58199813A (ja) * | 1982-05-17 | 1983-11-21 | Sumitomo Metal Ind Ltd | 耐ｈｉｃ性に優れた高張力鋼板の製造法 |
| JPS61124555A (ja) * | 1984-11-20 | 1986-06-12 | Nippon Steel Corp | 耐サワ−性の優れた鋼 |
| JP2578598B2 (ja) * | 1987-04-08 | 1997-02-05 | 新日本製鐵株式会社 | 耐硫化物応力腐食割れ性の優れた低降伏比鋼材の製造法 |
| JP2578599B2 (ja) * | 1987-04-08 | 1997-02-05 | 新日本製鐵株式会社 | 耐硫化物応力腐食割れ性の優れた低降伏比鋼材の製造法 |
| JPH02290947A (ja) * | 1989-05-01 | 1990-11-30 | Nippon Steel Corp | 耐サワー性の優れた高靭性電縫鋼管用鋼板 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5274521A (en) * | 1975-12-18 | 1977-06-22 | Sumitomo Metal Ind Ltd | Productin of hot coil material for line pipe having high resistance to hydrogen induced cracking |
-
1981
- 1981-11-20 JP JP18545181A patent/JPS5887221A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5274521A (en) * | 1975-12-18 | 1977-06-22 | Sumitomo Metal Ind Ltd | Productin of hot coil material for line pipe having high resistance to hydrogen induced cracking |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5887221A (ja) | 1983-05-25 |
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