CN1312006C - High-impact electric welding steel pipe - Google Patents
High-impact electric welding steel pipe Download PDFInfo
- Publication number
- CN1312006C CN1312006C CNB031566898A CN03156689A CN1312006C CN 1312006 C CN1312006 C CN 1312006C CN B031566898 A CNB031566898 A CN B031566898A CN 03156689 A CN03156689 A CN 03156689A CN 1312006 C CN1312006 C CN 1312006C
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- steel
- round
- cross
- impact
- 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 - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000003466 welding Methods 0.000 title description 11
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 15
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 13
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims description 22
- 229910052748 manganese Inorganic materials 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 230000000717 retained effect Effects 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 238000010791 quenching Methods 0.000 abstract description 6
- 230000000171 quenching effect Effects 0.000 abstract description 5
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000005204 segregation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910006639 Si—Mn Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- -1 contain C:0.22~0.35% Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000001033 granulometry Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
Abstract
Description
Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | ||
C | 0.24 | 0.28 | 0.28 | 0.30 | 0.33 | 0.28 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | |
Si | 0.15 | 0.24 | 0.13 | 0.20 | 0.20 | 0.14 | 0.15 | 0.10 | 0.30 | 0.30 | 0.35 | |
Mn | 1.41 | 1.43 | 1.25 | 1.43 | 1.44 | 1.30 | 1.35 | 1.50 | 1.00 | 1.00 | 1.00 | |
P | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | |
S | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.005 | 0.003 | 0.005 | 0.005 | 0.005 | 0.005 | |
Al | 0.028 | 0.023 | 0.026 | 0.022 | 0.029 | 0.025 | 0.025 | 0.024 | 0.022 | 0.022 | 0.026 | |
B | 13 | 12 | 10 | 14 | 11 | 12 | 14 | 10 | 13 | 13 | 13 | |
Ti | 0.025 | 0.026 | 0.024 | 0.024 | 0.025 | 0.024 | 0.025 | 0.026 | 0.026 | 0.026 | 0.027 | |
Nb | 0.03 | 0.03 | ||||||||||
V | 0.03 | 0.03 | ||||||||||
Ni | 0.03 | |||||||||||
Cr | 0.15 | 0.13 | 0.15 | |||||||||
Cu | ||||||||||||
REM | ||||||||||||
Ca | 0.03 | |||||||||||
α | -0.03 | +0.06 | -0.03 | +0.02 | +0.02 | -0.02 | -0.02 | -0.09 | +0.18 | +0.18 | +0.23 | |
The granularity number | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 5 | 7 | |
Intensity | 1861 | 1908 | 1911 | 1995 | 2125 | 1925 | 2015 | 2005 | 1992 | 1907 | 1985 | |
The weld part intensity ratio | 1.2 | 1.3 | 1.8 | 1.4 | 1.3 | 1.2 | 1.3 | 0.5 | 0.4 | 0.4 | 0.4 | |
The low-temperature impact bending | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | × | × |
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002374010A JP2003328082A (en) | 2002-03-08 | 2002-12-25 | Electroseamed steel pipe with high impact resistance |
JP374010/2002 | 2002-12-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1509922A CN1509922A (en) | 2004-07-07 |
CN1312006C true CN1312006C (en) | 2007-04-25 |
Family
ID=32588432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB031566898A Expired - Fee Related CN1312006C (en) | 2002-12-25 | 2003-09-05 | High-impact electric welding steel pipe |
Country Status (3)
Country | Link |
---|---|
KR (1) | KR100563998B1 (en) |
CN (1) | CN1312006C (en) |
CA (1) | CA2441720C (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103952640B (en) * | 2014-04-26 | 2017-03-15 | 广东韶钢松山股份有限公司 | A kind of 35MnB steel and preparation method thereof |
CN104117824A (en) * | 2014-07-22 | 2014-10-29 | 上海加宁新技术研究所 | Manufacturing method of super high pressure seamless alloy steel pipe |
KR101665819B1 (en) | 2014-12-24 | 2016-10-13 | 주식회사 포스코 | Steel material for heat treating, formed component having extra high strength and high fatigue resistance and method for manufacturing the formed component |
US10961599B2 (en) | 2016-07-20 | 2021-03-30 | Hyundai Motor Company | Lightweight door beam, composition thereof and method of manufacturing the same |
CN106929772B (en) * | 2017-03-14 | 2019-04-23 | 河北工业大学 | A kind of Steel Bar and preparation method thereof and rod iron |
CN113308648B (en) * | 2021-05-14 | 2022-11-15 | 唐山钢铁集团高强汽车板有限公司 | Cold-rolled martensite steel substrate and production method thereof |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06179945A (en) * | 1992-12-15 | 1994-06-28 | Nippon Steel Corp | Cr-mo series ultrahigh tensile strength electric resistance welded steel tube excellent in ductility |
US5374322A (en) * | 1992-07-09 | 1994-12-20 | Sumitomo Metal Industries, Ltd. | Method of manufacturing high strength steel member with a low yield ratio |
JPH10306339A (en) * | 1997-04-30 | 1998-11-17 | Kawasaki Steel Corp | Steel product with high toughness and high ductility, and its production |
JPH1150148A (en) * | 1997-08-06 | 1999-02-23 | Sumitomo Metal Ind Ltd | Production of high strength and high corrosion resistance seamless steel pipe |
JPH11310822A (en) * | 1998-04-30 | 1999-11-09 | Nippon Steel Corp | Production of high strength martensitic stainless steel tube excellent in low temperature toughness |
JP2000219933A (en) * | 1999-02-01 | 2000-08-08 | Nippon Steel Corp | High strength steel tube excellent in liquid pressure formability |
JP2001262275A (en) * | 2000-03-22 | 2001-09-26 | Nippon Steel Corp | High tensile strength seamless steel pipe excellent in toughness, ductility and weldability and its producing method |
-
2003
- 2003-09-03 KR KR1020030061448A patent/KR100563998B1/en active IP Right Grant
- 2003-09-05 CN CNB031566898A patent/CN1312006C/en not_active Expired - Fee Related
- 2003-09-19 CA CA002441720A patent/CA2441720C/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5374322A (en) * | 1992-07-09 | 1994-12-20 | Sumitomo Metal Industries, Ltd. | Method of manufacturing high strength steel member with a low yield ratio |
JPH06179945A (en) * | 1992-12-15 | 1994-06-28 | Nippon Steel Corp | Cr-mo series ultrahigh tensile strength electric resistance welded steel tube excellent in ductility |
JPH10306339A (en) * | 1997-04-30 | 1998-11-17 | Kawasaki Steel Corp | Steel product with high toughness and high ductility, and its production |
JPH1150148A (en) * | 1997-08-06 | 1999-02-23 | Sumitomo Metal Ind Ltd | Production of high strength and high corrosion resistance seamless steel pipe |
JPH11310822A (en) * | 1998-04-30 | 1999-11-09 | Nippon Steel Corp | Production of high strength martensitic stainless steel tube excellent in low temperature toughness |
JP2000219933A (en) * | 1999-02-01 | 2000-08-08 | Nippon Steel Corp | High strength steel tube excellent in liquid pressure formability |
JP2001262275A (en) * | 2000-03-22 | 2001-09-26 | Nippon Steel Corp | High tensile strength seamless steel pipe excellent in toughness, ductility and weldability and its producing method |
Also Published As
Publication number | Publication date |
---|---|
CA2441720C (en) | 2009-12-15 |
KR100563998B1 (en) | 2006-03-29 |
KR20040057897A (en) | 2004-07-02 |
CA2441720A1 (en) | 2004-06-25 |
CN1509922A (en) | 2004-07-07 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NIPPON STEEL + SUMITOMO METAL CORPORATION Free format text: FORMER OWNER: SHIN NIPPON STEEL LTD. Effective date: 20130401 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130401 Address after: Tokyo, Japan Patentee after: Nippon Steel Corporation Address before: Tokyo, Japan Patentee before: Nippon Steel Corporation |
|
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Nippon Iron & Steel Corporation Address before: Tokyo, Japan Patentee before: Nippon Steel Corporation |
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CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 Termination date: 20200905 |
|
CF01 | Termination of patent right due to non-payment of annual fee |