KR101664635B1 - 고장력 열연 강판 및 그 제조 방법 - Google Patents
고장력 열연 강판 및 그 제조 방법 Download PDFInfo
- Publication number
- KR101664635B1 KR101664635B1 KR1020147018457A KR20147018457A KR101664635B1 KR 101664635 B1 KR101664635 B1 KR 101664635B1 KR 1020147018457 A KR1020147018457 A KR 1020147018457A KR 20147018457 A KR20147018457 A KR 20147018457A KR 101664635 B1 KR101664635 B1 KR 101664635B1
- Authority
- KR
- South Korea
- Prior art keywords
- less
- steel sheet
- hot
- phase
- mass
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 137
- 239000010959 steel Substances 0.000 title claims abstract description 137
- 238000000034 method Methods 0.000 title claims description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 24
- 239000002344 surface layer Substances 0.000 claims abstract description 21
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 17
- 229910001562 pearlite Inorganic materials 0.000 claims abstract description 11
- 229910001567 cementite Inorganic materials 0.000 claims abstract description 9
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 39
- 238000005096 rolling process Methods 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 17
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 229910052758 niobium Inorganic materials 0.000 claims description 11
- 229910052720 vanadium Inorganic materials 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000005098 hot rolling Methods 0.000 claims description 10
- 230000009467 reduction Effects 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 230000001186 cumulative effect Effects 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims 2
- 229910052785 arsenic Inorganic materials 0.000 claims 1
- 235000019362 perlite Nutrition 0.000 claims 1
- 239000010451 perlite Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 8
- 239000012071 phase Substances 0.000 description 45
- 239000011248 coating agent Substances 0.000 description 24
- 238000000576 coating method Methods 0.000 description 24
- 230000000694 effects Effects 0.000 description 22
- 238000009864 tensile test Methods 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000009863 impact test Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- 150000003568 thioethers Chemical class 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000002542 deteriorative effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 230000007704 transition Effects 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
- C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys
-
- 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
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/04—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
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C21D2211/002—Bainite
-
- 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
- C21D2211/003—Cementite
-
- 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
- C21D2211/005—Ferrite
-
- 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
- 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
- C21D2211/009—Pearlite
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011285906 | 2011-12-27 | ||
| JPJP-P-2011-285906 | 2011-12-27 | ||
| PCT/JP2012/008211 WO2013099192A1 (ja) | 2011-12-27 | 2012-12-21 | 高張力熱延鋼板及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20140099321A KR20140099321A (ko) | 2014-08-11 |
| KR101664635B1 true KR101664635B1 (ko) | 2016-10-10 |
Family
ID=48696734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147018457A Active KR101664635B1 (ko) | 2011-12-27 | 2012-12-21 | 고장력 열연 강판 및 그 제조 방법 |
Country Status (7)
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015098556A1 (ja) * | 2013-12-25 | 2015-07-02 | 新日鐵住金株式会社 | 油井用電縫鋼管 |
| US10344362B2 (en) | 2014-03-31 | 2019-07-09 | Jfe Steel Corporation | Steel material for highly deformable line pipes having superior strain aging resistance and superior HIC resistance, method for manufacturing same, and welded steel pipe |
| JP6369347B2 (ja) * | 2015-02-13 | 2018-08-08 | Ｊｆｅスチール株式会社 | 深井戸向けコンダクターケーシング用高強度厚肉スパイラル鋼管及びその製造方法 |
| JP6241569B2 (ja) | 2015-03-27 | 2017-12-06 | Ｊｆｅスチール株式会社 | 高強度鋼及びその製造方法、並びに鋼管及びその製造方法 |
| CA2980985C (en) * | 2015-03-27 | 2020-06-09 | Jfe Steel Corporation | High-strength steel, method for manufacturing high-strength steel, steel pipe and method for manufacturing steel pipe |
| US11220721B2 (en) * | 2017-01-20 | 2022-01-11 | Thyssenkrupp Steel Europe Ag | Hot rolled flat steel product consisting of a complex-phase steel with a largely bainitic microstructure and method for manufacturing such a flat steel product |
| CN109722611B (zh) * | 2017-10-27 | 2020-08-25 | 宝山钢铁股份有限公司 | 一种低屈强比超高强度连续油管用钢及其制造方法 |
| CN110785507B (zh) * | 2017-10-30 | 2021-07-30 | 日本制铁株式会社 | 热轧钢板及其制造方法 |
| JP6773021B2 (ja) * | 2017-12-27 | 2020-10-21 | Ｊｆｅスチール株式会社 | 疲労強度に優れた厚肉大径電縫鋼管およびその製造方法 |
| EP3514253B1 (en) * | 2018-01-23 | 2020-10-14 | SSAB Technology AB | Hot-rolled steel & method for manufacturing hot-rolled steel |
| JP6460297B1 (ja) * | 2018-06-29 | 2019-01-30 | 新日鐵住金株式会社 | 鋼管及び鋼板 |
| RU2696920C1 (ru) * | 2018-07-30 | 2019-08-07 | Акционерное общество "Выксунский металлургический завод" | Способ производства проката для труб магистральных трубопроводов с одновременным обеспечением равномерного удлинения и хладостойкости |
| JP6693607B1 (ja) * | 2018-08-23 | 2020-05-13 | Ｊｆｅスチール株式会社 | 熱延鋼板およびその製造方法 |
| JP7284380B2 (ja) * | 2019-02-08 | 2023-05-31 | 日本製鉄株式会社 | ラインパイプ用電縫鋼管 |
| KR102255818B1 (ko) * | 2019-06-24 | 2021-05-25 | 주식회사 포스코 | 내부식성이 우수한 고강도 구조용 강재 및 그 제조방법 |
| KR102727026B1 (ko) * | 2019-11-20 | 2024-11-05 | 제이에프이 스틸 가부시키가이샤 | 전봉 강관용 열연 강판 및 그의 제조 방법, 전봉 강관 및 그의 제조 방법, 라인 파이프, 건축 구조물 |
| KR102840416B1 (ko) * | 2020-04-02 | 2025-07-30 | 제이에프이 스틸 가부시키가이샤 | 전봉 강관 및 그의 제조 방법 |
| KR102493978B1 (ko) * | 2020-12-17 | 2023-01-31 | 주식회사 포스코 | 변형 안정성이 우수한 고강도 박물 api용 강재 및 그 제조방법 |
| CN113215492B (zh) * | 2021-05-12 | 2022-04-08 | 大冶特殊钢有限公司 | 一种高韧性的低合金高强度钢的轧制方法 |
| CN116145022B (zh) * | 2021-11-19 | 2024-03-08 | 宝山钢铁股份有限公司 | 一种屈服强度不低于900MPa的低屈强比钢板及其制造方法 |
| KR20250092797A (ko) * | 2023-12-15 | 2025-06-24 | 주식회사 포스코 | 열연강판 및 그 제조 방법 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006257499A (ja) | 2005-03-17 | 2006-09-28 | Sumitomo Metal Ind Ltd | 高張力鋼板、溶接鋼管及びそれらの製造方法 |
| WO2006106591A1 (ja) * | 2005-04-04 | 2006-10-12 | Nippon Steel Corporation | 延性破壊特性に優れた高強度鋼板及び高強度溶接鋼管並びにそれらの製造方法 |
| JP2008121036A (ja) * | 2006-11-09 | 2008-05-29 | Jfe Steel Kk | 高強度高靱性鋼板の製造方法 |
| JP2011017061A (ja) * | 2009-07-10 | 2011-01-27 | Jfe Steel Corp | 高強度溶接鋼管用高張力熱延鋼板およびその製造方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0653912B2 (ja) | 1989-09-08 | 1994-07-20 | 川崎製鉄株式会社 | リールバージ敷設性に優れた高靭性電縫鋼管 |
| JP4277405B2 (ja) | 2000-01-26 | 2009-06-10 | Ｊｆｅスチール株式会社 | 低温靱性および溶接性に優れた高強度電縫鋼管用熱延鋼板の製造方法 |
| JP4466320B2 (ja) | 2004-10-27 | 2010-05-26 | Ｊｆｅスチール株式会社 | ラインパイプ用低降伏比電縫鋼管の製造方法 |
| JP4336294B2 (ja) | 2004-11-16 | 2009-09-30 | 新日本製鐵株式会社 | 時効後の変形特性に優れたパイプライン用高強度鋼管の製造方法 |
| KR101228610B1 (ko) * | 2008-05-26 | 2013-02-01 | 신닛테츠스미킨 카부시키카이샤 | 저온 인성과 연성 파괴 정지 성능이 우수한 라인 파이프용 고강도 열연 강판 및 그 제조 방법 |
| WO2010087511A1 (ja) * | 2009-01-30 | 2010-08-05 | Ｊｆｅスチール株式会社 | 低温靭性に優れた厚肉高張力熱延鋼板およびその製造方法 |
| KR101688082B1 (ko) * | 2009-11-25 | 2016-12-20 | 제이에프이 스틸 가부시키가이샤 | 높은 압축 강도 및 내사우어성을 갖는 라인파이프용 용접 강관 |
| JP5742123B2 (ja) * | 2010-07-16 | 2015-07-01 | Ｊｆｅスチール株式会社 | ラインパイプ用高強度溶接鋼管向け高張力熱延鋼板およびその製造方法 |
| WO2013011791A1 (ja) * | 2011-07-20 | 2013-01-24 | Ｊｆｅスチール株式会社 | 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法 |
| JP5776377B2 (ja) * | 2011-06-30 | 2015-09-09 | Ｊｆｅスチール株式会社 | 耐サワー性に優れたラインパイプ用溶接鋼管向け高強度熱延鋼板およびその製造方法 |
-
2012
- 2012-12-21 CN CN201280065034.8A patent/CN104011245B/zh active Active
- 2012-12-21 JP JP2013551228A patent/JP5812115B2/ja active Active
- 2012-12-21 WO PCT/JP2012/008211 patent/WO2013099192A1/ja active Application Filing
- 2012-12-21 US US14/368,857 patent/US20140352852A1/en not_active Abandoned
- 2012-12-21 KR KR1020147018457A patent/KR101664635B1/ko active Active
- 2012-12-21 IN IN1252KON2014 patent/IN2014KN01252A/en unknown
- 2012-12-21 EP EP12863451.6A patent/EP2799575B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006257499A (ja) | 2005-03-17 | 2006-09-28 | Sumitomo Metal Ind Ltd | 高張力鋼板、溶接鋼管及びそれらの製造方法 |
| WO2006106591A1 (ja) * | 2005-04-04 | 2006-10-12 | Nippon Steel Corporation | 延性破壊特性に優れた高強度鋼板及び高強度溶接鋼管並びにそれらの製造方法 |
| JP2008121036A (ja) * | 2006-11-09 | 2008-05-29 | Jfe Steel Kk | 高強度高靱性鋼板の製造方法 |
| JP2011017061A (ja) * | 2009-07-10 | 2011-01-27 | Jfe Steel Corp | 高強度溶接鋼管用高張力熱延鋼板およびその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5812115B2 (ja) | 2015-11-11 |
| JPWO2013099192A1 (ja) | 2015-04-30 |
| EP2799575B1 (en) | 2016-12-21 |
| CN104011245B (zh) | 2017-03-01 |
| WO2013099192A1 (ja) | 2013-07-04 |
| EP2799575A4 (en) | 2015-10-28 |
| WO2013099192A8 (ja) | 2014-06-26 |
| US20140352852A1 (en) | 2014-12-04 |
| KR20140099321A (ko) | 2014-08-11 |
| EP2799575A1 (en) | 2014-11-05 |
| CN104011245A (zh) | 2014-08-27 |
| IN2014KN01252A (enrdf_load_stackoverflow) | 2015-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101664635B1 (ko) | 고장력 열연 강판 및 그 제조 방법 | |
| KR101333854B1 (ko) | 저온 인성이 우수한 후육 고장력 열연 강판 및 그 제조 방법 | |
| US9809869B2 (en) | Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof | |
| KR101688082B1 (ko) | 높은 압축 강도 및 내사우어성을 갖는 라인파이프용 용접 강관 | |
| JP5776398B2 (ja) | 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法 | |
| KR102379935B1 (ko) | 강관 및 강판 | |
| JP5679114B2 (ja) | 低温靭性に優れた低降伏比高強度熱延鋼板およびその製造方法 | |
| KR101306418B1 (ko) | 저온 인성이 우수한 후육 고장력 열연 강판 및 그 제조 방법 | |
| KR101681626B1 (ko) | 높은 압축 강도를 갖는 라인파이프용 용접 강관 | |
| JP5776377B2 (ja) | 耐サワー性に優れたラインパイプ用溶接鋼管向け高強度熱延鋼板およびその製造方法 | |
| KR101638707B1 (ko) | 저온 인성이 우수한 저항복비 고강도 열연 강판 및 그 제조 방법 | |
| JP5499733B2 (ja) | 低温靭性に優れた厚肉高張力熱延鋼板およびその製造方法 | |
| JP5533024B2 (ja) | 低温靭性に優れた厚肉高張力熱延鋼板の製造方法 | |
| JP5499731B2 (ja) | 耐ｈｉｃ性に優れた厚肉高張力熱延鋼板及びその製造方法 | |
| JP5418251B2 (ja) | 耐ｈｉｃ性に優れた厚肉高張力熱延鋼板の製造方法 | |
| JP2010174343A (ja) | 低温靭性に優れた厚肉高張力熱延鋼板の製造方法 | |
| JP5742123B2 (ja) | ラインパイプ用高強度溶接鋼管向け高張力熱延鋼板およびその製造方法 | |
| JP2012031509A (ja) | 高一様伸び特性を備えた高強度低降伏比鋼、その製造方法、および高強度低降伏比溶接鋼管 | |
| JP5347540B2 (ja) | 低温靭性に優れた厚肉高張力熱延鋼板およびその製造方法 | |
| JP2012017522A (ja) | ラインパイプ用鋼材 | |
| JP5521484B2 (ja) | 低温靭性に優れた厚肉高張力熱延鋼板およびその製造方法 | |
| KR101889186B1 (ko) | 수소유기균열 저항성 및 dwtt 저온인성이 우수한 고강도 후물 열연강판 및 그 제조방법 | |
| JP5533025B2 (ja) | 低温靭性に優れた厚肉高張力熱延鋼板の製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0105 | International application |
Patent event date: 20140703 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20150617 Patent event code: PE09021S01D |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20160127 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20160715 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20161004 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20161004 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration | ||
| FPAY | Annual fee payment |
Payment date: 20190917 Year of fee payment: 4 |
|
| PR1001 | Payment of annual fee |
Payment date: 20190917 Start annual number: 4 End annual number: 4 |
|
| PR1001 | Payment of annual fee |
Payment date: 20210916 Start annual number: 6 End annual number: 6 |
|
| PR1001 | Payment of annual fee |
Payment date: 20230919 Start annual number: 8 End annual number: 8 |