CN114080466A - 钢筋及其制造方法 - Google Patents
钢筋及其制造方法 Download PDFInfo
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- CN114080466A CN114080466A CN202080034356.0A CN202080034356A CN114080466A CN 114080466 A CN114080466 A CN 114080466A CN 202080034356 A CN202080034356 A CN 202080034356A CN 114080466 A CN114080466 A CN 114080466A
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 53
- 238000004519 manufacturing process Methods 0.000 title claims description 30
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000010949 copper Substances 0.000 claims abstract description 33
- 239000011572 manganese Substances 0.000 claims abstract description 29
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010936 titanium Substances 0.000 claims abstract description 28
- 239000010955 niobium Substances 0.000 claims abstract description 27
- 239000011651 chromium Substances 0.000 claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 18
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 17
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 17
- 239000010703 silicon Substances 0.000 claims abstract description 17
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 17
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 16
- 239000011593 sulfur Substances 0.000 claims abstract description 16
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 15
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 14
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 13
- 229910052796 boron Inorganic materials 0.000 claims abstract description 13
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 13
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 13
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 13
- 239000011574 phosphorus Substances 0.000 claims abstract description 13
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 13
- 230000000717 retained effect Effects 0.000 claims abstract description 12
- 239000002244 precipitate Substances 0.000 claims abstract description 10
- 229910001562 pearlite Inorganic materials 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 67
- 239000010959 steel Substances 0.000 claims description 67
- 238000003303 reheating Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 22
- 230000032683 aging Effects 0.000 claims description 20
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000005098 hot rolling Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 description 40
- 230000000052 comparative effect Effects 0.000 description 17
- 230000000694 effects Effects 0.000 description 17
- 239000000203 mixture Substances 0.000 description 16
- 238000005496 tempering Methods 0.000 description 13
- 230000002829 reductive effect Effects 0.000 description 12
- 238000005728 strengthening Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000006104 solid solution Substances 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000005275 alloying Methods 0.000 description 6
- 229910052720 vanadium Inorganic materials 0.000 description 6
- 238000009749 continuous casting Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000009847 ladle furnace Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000009849 vacuum degassing Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 241000219307 Atriplex rosea Species 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 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
- 238000005261 decarburization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 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
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 1
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- 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
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- 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
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- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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- 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
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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- 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
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- C—CHEMISTRY; METALLURGY
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- 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
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
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- 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
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- 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
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Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2020/007971 WO2021256590A1 (ko) | 2020-06-19 | 2020-06-19 | 철근 및 그 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114080466A true CN114080466A (zh) | 2022-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080034356.0A Pending CN114080466A (zh) | 2020-06-19 | 2020-06-19 | 钢筋及其制造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20220316039A1 (ja) |
| JP (1) | JP7262617B2 (ja) |
| CN (1) | CN114080466A (ja) |
| WO (1) | WO2021256590A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115652200A (zh) * | 2022-10-18 | 2023-01-31 | 南京钢铁股份有限公司 | 一种铌钒复合微合金化hrb400螺纹钢及其制备方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154585A (zh) * | 2011-03-07 | 2011-08-17 | 武汉钢铁(集团)公司 | 高强度抗震建筑用钢筋及其制造方法 |
| JP2016145415A (ja) * | 2015-01-29 | 2016-08-12 | Ｊｆｅスチール株式会社 | 鉄筋用鋼材およびその製造方法 |
| CN108368593A (zh) * | 2015-12-15 | 2018-08-03 | 株式会社Posco | 具有优异的低温应变时效冲击特性的高强度钢材及其制造方法 |
| WO2019039768A1 (ko) * | 2017-08-22 | 2019-02-28 | 주식회사 포스코 | 열간가공성 및 내수소취성이 우수한 저ni 오스테나이트계 스테인리스강 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100851189B1 (ko) * | 2006-11-02 | 2008-08-08 | 주식회사 포스코 | 저온인성이 우수한 초고강도 라인파이프용 강판 및 그제조방법 |
| JP2010509209A (ja) * | 2006-11-04 | 2010-03-25 | エニジェン カンパニー リミテッド | 新規なω−コノトキシン |
| JP5092554B2 (ja) * | 2007-01-17 | 2012-12-05 | Ｊｆｅスチール株式会社 | 高強度鉄筋用鋼材の製造方法 |
| JP5521705B2 (ja) * | 2010-03-30 | 2014-06-18 | Ｊｆｅスチール株式会社 | 高強度鉄筋用鋼材およびその製造方法 |
| KR101777974B1 (ko) * | 2016-08-23 | 2017-09-12 | 현대제철 주식회사 | 철근 및 그 제조 방법 |
| KR102250322B1 (ko) * | 2018-12-21 | 2021-05-11 | 현대제철 주식회사 | 철근 및 그 제조방법 |
-
2020
- 2020-06-19 US US17/609,645 patent/US20220316039A1/en active Pending
- 2020-06-19 WO PCT/KR2020/007971 patent/WO2021256590A1/ko active Application Filing
- 2020-06-19 JP JP2021564656A patent/JP7262617B2/ja active Active
- 2020-06-19 CN CN202080034356.0A patent/CN114080466A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154585A (zh) * | 2011-03-07 | 2011-08-17 | 武汉钢铁(集团)公司 | 高强度抗震建筑用钢筋及其制造方法 |
| JP2016145415A (ja) * | 2015-01-29 | 2016-08-12 | Ｊｆｅスチール株式会社 | 鉄筋用鋼材およびその製造方法 |
| CN108368593A (zh) * | 2015-12-15 | 2018-08-03 | 株式会社Posco | 具有优异的低温应变时效冲击特性的高强度钢材及其制造方法 |
| WO2019039768A1 (ko) * | 2017-08-22 | 2019-02-28 | 주식회사 포스코 | 열간가공성 및 내수소취성이 우수한 저ni 오스테나이트계 스테인리스강 |
| CN111212928A (zh) * | 2017-08-22 | 2020-05-29 | 株式会社Posco | 具有优异的热加工性和抗氢脆性的低Ni奥氏体不锈钢 |
Non-Patent Citations (1)
| Title |
|---|
| 卞小龙等: ""铜在钢中的作用概述"", 《科技创新与应用》 * |
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| JP2022542740A (ja) | 2022-10-07 |
| US20220316039A1 (en) | 2022-10-06 |
| JP7262617B2 (ja) | 2023-04-21 |
| WO2021256590A1 (ko) | 2021-12-23 |
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