JPH0211654B2 - - Google Patents
Info
- Publication number
- JPH0211654B2 JPH0211654B2 JP11378684A JP11378684A JPH0211654B2 JP H0211654 B2 JPH0211654 B2 JP H0211654B2 JP 11378684 A JP11378684 A JP 11378684A JP 11378684 A JP11378684 A JP 11378684A JP H0211654 B2 JPH0211654 B2 JP H0211654B2
- Authority
- JP
- Japan
- Prior art keywords
- toughness
- weld metal
- welded
- less
- processing
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 49
- 239000002184 metal Substances 0.000 description 49
- 238000010438 heat treatment Methods 0.000 description 46
- 239000000203 mixture Substances 0.000 description 17
- 230000000694 effects Effects 0.000 description 11
- 238000005496 tempering Methods 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 238000005452 bending Methods 0.000 description 8
- 229910000859 α-Fe Inorganic materials 0.000 description 8
- 150000002739 metals Chemical class 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000013003 hot bending Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005541 quenching (cooling) Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 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
- C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (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)
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11378684A JPS60258411A (ja) | 1984-06-05 | 1984-06-05 | 溶接鋼管の加工方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11378684A JPS60258411A (ja) | 1984-06-05 | 1984-06-05 | 溶接鋼管の加工方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60258411A JPS60258411A (ja) | 1985-12-20 |
| JPH0211654B2 true JPH0211654B2 (fr) | 1990-03-15 |
Family
ID=14621056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11378684A Granted JPS60258411A (ja) | 1984-06-05 | 1984-06-05 | 溶接鋼管の加工方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60258411A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011161500A (ja) * | 2010-02-12 | 2011-08-25 | Nippon Steel Corp | スパイラル鋼管の製造方法およびスパイラル鋼管 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0714534B2 (ja) * | 1985-04-08 | 1995-02-22 | 株式会社日立製作所 | 高周波加熱曲げ加工鋼管の製造方法 |
| JP4581275B2 (ja) * | 2000-03-31 | 2010-11-17 | Ｊｆｅスチール株式会社 | 溶接部靱性に優れた高強度溶接ベンド鋼管用の素管およびその製造方法 |
| JP4495060B2 (ja) * | 2005-10-13 | 2010-06-30 | 新日本製鐵株式会社 | 高温強度と靭性に優れた耐火構造用溶接継手 |
| CN106191670A (zh) * | 2016-07-11 | 2016-12-07 | 山东钢铁股份有限公司 | 一种海洋工程用耐低温热轧槽钢及其制造方法 |
-
1984
- 1984-06-05 JP JP11378684A patent/JPS60258411A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011161500A (ja) * | 2010-02-12 | 2011-08-25 | Nippon Steel Corp | スパイラル鋼管の製造方法およびスパイラル鋼管 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60258411A (ja) | 1985-12-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |