CN101111621A - 焊接性和气割性优良的高强度耐火钢及其制造方法 - Google Patents
焊接性和气割性优良的高强度耐火钢及其制造方法 Download PDFInfo
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- CN101111621A CN101111621A CNA2006800036308A CN200680003630A CN101111621A CN 101111621 A CN101111621 A CN 101111621A CN A2006800036308 A CNA2006800036308 A CN A2006800036308A CN 200680003630 A CN200680003630 A CN 200680003630A CN 101111621 A CN101111621 A CN 101111621A
- Authority
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- Prior art keywords
- steel
- temperature
- weldability
- gas cutting
- strength
- 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.)
- Granted
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 154
- 239000010959 steel Substances 0.000 title claims abstract description 153
- 238000005520 cutting process Methods 0.000 title claims description 36
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 230000009970 fire resistant effect Effects 0.000 title abstract description 9
- 229910001568 polygonal ferrite Inorganic materials 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 17
- 238000010791 quenching Methods 0.000 claims description 15
- 238000005098 hot rolling Methods 0.000 claims description 14
- 230000000171 quenching effect Effects 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 13
- 230000010354 integration Effects 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 19
- 238000005336 cracking Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 27
- 229910052751 metal Inorganic materials 0.000 description 25
- 239000002184 metal Substances 0.000 description 25
- 230000000694 effects Effects 0.000 description 23
- 230000006866 deterioration Effects 0.000 description 19
- 238000010438 heat treatment Methods 0.000 description 15
- 229910052761 rare earth metal Inorganic materials 0.000 description 10
- 208000037656 Respiratory Sounds Diseases 0.000 description 7
- 229910001566 austenite Inorganic materials 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000010953 base metal Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004881 precipitation hardening Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 230000000007 visual effect 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
- 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
-
- 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
- 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
- C22C38/04—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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- 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
Abstract
Description
钢类别 | 组成比(质量%) | ||||||||||||||||||
C | Si | Mn | P | S | Nb | Mo | Al | N | Ni | Cu | Cr | V | B | Ti | Mg | Ca | PCM(注1) | ||
实施例 | 1 | 0.04 | 0.36 | 1.98 | 0.009 | 0.005 | 0.04 | 0.68 | 0.031 | 0.0042 | 0.014 | 0.196 | |||||||
2 | 0.04 | 0.45 | 1.80 | 0.012 | 0.004 | 0.05 | 0.64 | 0.035 | 0.0035 | 0.24 | 0.0016 | 0.200 | |||||||
3 | 0.05 | 0.32 | 1.62 | 0.010 | 0.003 | 0.04 | 0.60 | 0.003 | 0.0038 | 0.50 | 0.028 | 0.012 | 0.193 | ||||||
4 | 0.05 | 0.30 | 1.58 | 0.011 | 0.005 | 0.03 | 0.55 | 0.026 | 0.0032 | 0.176 | |||||||||
5 | 0.06 | 0.24 | 1.55 | 0.008 | 0.006 | 0.01 | 0.58 | 0.042 | 0.0029 | 0.009 | 0.184 | ||||||||
6 | 0.06 | 0.30 | 1.40 | 0.012 | 0.003 | 0.02 | 0.52 | 0.020 | 0.0034 | 0.14 | 0.14 | 0.38 | 0.203 | ||||||
7 | 0.07 | 0.35 | 1.46 | 0.012 | 0.004 | 002 | 0.48 | 0.002 | 0.0048 | 0.35 | 0.34 | 0.010 | 0.0013 | 0.210 | |||||
8 | 0.07 | 0.30 | 1.35 | 0.011 | 0.006 | 0.02 | 0.37 | 0.033 | 0.0036 | 0.15 | 0.0008 | 0.184 | |||||||
9 | 0.08 | 0.30 | 1.50 | 0.012 | 0.005 | 0.03 | 0.45 | 0.040 | 0.0035 | 0.195 | |||||||||
10 | 0.08 | 0.56 | 1.52 | 0.010 | 0.005 | 0.01 | 0.40 | 0.055 | 0.0055 | 0.25 | 0.19 | 0.015 | 0.215 | ||||||
11 | 0.09 | 0.41 | 1.24 | 0.010 | 0.003 | 0.02 | 0.31 | 0.025 | 0.0038 | 0.20 | 0.25 | 0.010 | 0.202 | ||||||
12 | 0.09 | 0.35 | 0.80 | 0.011 | 0.001 | 0.03 | 0.36 | 0.020 | 0.0064 | 0.12 | 0.039 | 0.018 | 0.0014 | 0.176 | |||||
13 | 0.10 | 0.25 | 0.85 | 0.012 | 0.004 | 0.02 | 0.45 | 0.029 | 0.0040 | 0.044 | 0.185 | ||||||||
14 | 0.12 | 0.33 | 0.55 | 0.010 | 0.003 | 0.02 | 0.50 | 0.019 | 0.0048 | 0.005 | 0.192 | ||||||||
15 | 0.14 | 0.31 | 0.71 | 0.009 | 0.005 | 0.03 | 0.49 | 0.020 | 0.0078 | 0.010 | 0.0018 | 0.219 | |||||||
比较例 | 16 | 0.03 | 0.35 | 1.48 | 0.012 | 0.005 | 0.04 | 0.50 | 0.025 | 0.0039 | 0.149 | ||||||||
17 | 0.04 | 0.36 | 1.39 | 0.012 | 0.005 | 0.00 | 0.51 | 0.024 | 0.0041 | 0.156 | |||||||||
18 | 0.04 | 0.08 | 0.45 | 0.014 | 0.004 | 0.03 | 0.60 | 0.026 | 0.0041 | 0.15 | 0.60 | 0.138 | |||||||
19 | 0.05 | 0.35 | 1.41 | 0.011 | 0.003 | 0.07 | 0.50 | 0.026 | 0.0038 | 0.166 | |||||||||
20 | 0.15 | 0.43 | 1.18 | 0.010 | 0.006 | 0.02 | 0.49 | 0.030 | 0.0014 | 0.256 | |||||||||
21 | 0.06 | 0.35 | 1.30 | 0.013 | 0.008 | 0.02 | 0.25 | 0.029 | 0.0028 | 0.153 | |||||||||
22 | 0.06 | 0.35 | 1.31 | 0.013 | 0.007 | 0.02 | 0.75 | 0.028 | 0.0030 | 0.187 |
钢类别 | 制造工艺(注1) | 加热温度(℃) | 终轧温度(℃) | 冷却开始温度(℃) | 淬火温度(℃) | 回火温度(℃) | 板厚(mm) | αp或αq分率(%)(注2) | 屈服强度(MPa) | 抗拉强度(MPa) | 屈服比(%) | 在600℃下的屈服强度(MPa) | 母材韧性vTrs(℃) | 焊接热影响区韧性vE0(J) | 气割面粗糙度 | |
实施例 | 1 | DQT | 1150 | 900 | 850 | - | 600 | 60 | 1 | 520 | 623 | 83 | 345 | -68 | 165 | ○ |
2 | DQT | 1100 | 810 | 760 | - | 580 | 50 | 2 | 515 | 610 | 84 | 365 | -72 | 171 | ○ | |
3 | QT | 1200 | - | - | 910 | 550 | 60 | 0 | 567 | 663 | 86 | 381 | -64 | 154 | ○ | |
4 | DQT | 1150 | 940 | 870 | - | 620 | 75 | 0 | 482 | 581 | 83 | 344 | -59 | 149 | ○ | |
5 | DQT | 1150 | 870 | 800 | - | 600 | 60 | 0 | 525 | 619 | 85 | 372 | -62 | 151 | ○ | |
8 | QT | 1200 | - | - | 930 | 580 | 50 | 0 | 562 | 654 | 86 | 386 | -57 | 160 | ○ | |
7 | QT | 1250 | - | - | 900 | 640 | 55 | 0 | 543 | 628 | 86 | 370 | -61 | 204 | ○ | |
8 | DQT | 1200 | 920 | 880 | - | 600 | 75 | 1 | 538 | 613 | 88 | 368 | -55 | 143 | ○ | |
9 | QT | 1200 | - | - | 920 | 500 | 100 | 0 | 496 | 616 | 81 | 325 | -51 | 153 | ○ | |
10 | DQT | 1100 | 900 | 860 | - | 580 | 100 | 0 | 509 | 602 | 85 | 336 | -54 | 167 | ○ | |
11 | DQT | 1200 | 930 | 850 | - | 470 | 85 | 0 | 485 | 619 | 78 | 317 | -59 | 132 | ○ | |
12 | QT | 1250 | - | - | 910 | 520 | 80 | 0 | 525 | 622 | 84 | 322 | -53 | 129 | ○ | |
13 | QT | 1200 | - | - | 940 | 600 | 75 | 0 | 533 | 614 | 87 | 371 | -50 | 152 | ○ | |
14 | QT | 1250 | - | - | 900 | 550 | 100 | 0 | 468 | 593 | 79 | 316 | -56 | 187 | ○ | |
15 | DQT | 1250 | 900 | 860 | - | 620 | 75 | 0 | 531 | 636 | 83 | 353 | -47 | 137 | ○ | |
比较例 | 16 | DQT | 1150 | 930 | 770 | - | 600 | 50 | 12 | 433 | 552 | 78 | 261 | -62 | 174 | ○ |
17 | DQT | 1100 | 850 | 730 | - | 600 | 50 | 16 | 404 | 535 | 76 | 303 | -58 | 168 | ○ | |
18 | QT | 1100 | - | - | 900 | 600 | 50 | 3 | 436 | 554 | 79 | 327 | -51 | 155 | ○ | |
19 | AR | 1200 | 860 | - | - | - | 75 | 79 | 313 | 468 | 67 | 235 | -74 | 21 | ○ | |
20 | QT | 1250 | - | - | 900 | 600 | 75 | 0 | 507 | 598 | 85 | 299 | -12 | 17 | ○ | |
21 | QT | 1200 | - | - | 900 | 600 | 75 | 1 | 472 | 572 | 83 | 274 | -52 | 104 | ○ | |
22 | AR | 1250 | 900 | - | - | - | 75 | 72 | 324 | 491 | 66 | 243 | -32 | 24 | × |
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005060601A JP4718866B2 (ja) | 2005-03-04 | 2005-03-04 | 溶接性およびガス切断性に優れた高張力耐火鋼およびその製造方法 |
JP060601/2005 | 2005-03-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101111621A true CN101111621A (zh) | 2008-01-23 |
CN100529139C CN100529139C (zh) | 2009-08-19 |
Family
ID=36941312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006800036308A Expired - Fee Related CN100529139C (zh) | 2005-03-04 | 2006-03-03 | 焊接性和气割性优良的高强度耐火钢及其制造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090025839A1 (zh) |
JP (1) | JP4718866B2 (zh) |
KR (1) | KR100920536B1 (zh) |
CN (1) | CN100529139C (zh) |
TW (1) | TWI322830B (zh) |
WO (1) | WO2006093282A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103147001A (zh) * | 2013-02-22 | 2013-06-12 | 武汉钢铁(集团)公司 | 一种耐火的船体结构用钢及其生产方法 |
CN110218938A (zh) * | 2019-06-13 | 2019-09-10 | 南京钢铁股份有限公司 | 一种焊接高热输入抗震耐火钢板及其制造方法 |
CN111172464A (zh) * | 2020-02-28 | 2020-05-19 | 鞍钢股份有限公司 | 一种690MPa级建筑结构用耐火耐候钢板及其制造方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI20075886L (fi) | 2007-12-07 | 2009-06-08 | Rautaruukki Oyj | Menetelmä teräksen koostumuksen valitsemiseksi, teräs ja sen käyttö |
KR100928788B1 (ko) * | 2007-12-28 | 2009-11-25 | 주식회사 포스코 | 용접성이 우수한 고강도 박강판과 그 제조방법 |
JP4547041B2 (ja) * | 2008-10-27 | 2010-09-22 | 新日本製鐵株式会社 | 溶接熱影響部の耐再熱脆化性及び低温靭性に優れた耐火鋼材並びにその製造方法 |
KR101322067B1 (ko) * | 2009-12-28 | 2013-10-25 | 주식회사 포스코 | 용접 후 열처리 저항성이 우수한 고강도 강판 및 그 제조방법 |
JP6277679B2 (ja) * | 2013-11-05 | 2018-02-14 | 新日鐵住金株式会社 | 耐ガス切断割れ性および大入熱溶接部靭性が優れた高張力鋼板 |
KR101585730B1 (ko) | 2013-12-24 | 2016-01-14 | 주식회사 포스코 | 고온 항복강도 및 저온 충격인성이 우수한 후강판 및 이의 제조방법 |
CN108085589A (zh) * | 2017-11-22 | 2018-05-29 | 南阳汉冶特钢有限公司 | 一种120mm~150mm厚超低温韧性耐火耐候钢及其生产方法 |
US11656169B2 (en) * | 2021-03-19 | 2023-05-23 | Saudi Arabian Oil Company | Development of control samples to enhance the accuracy of HIC testing |
US11788951B2 (en) | 2021-03-19 | 2023-10-17 | Saudi Arabian Oil Company | Testing method to evaluate cold forming effects on carbon steel susceptibility to hydrogen induced cracking (HIC) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0737648B2 (ja) * | 1991-03-22 | 1995-04-26 | 新日本製鐵株式会社 | 靭性の優れた建築用耐火鋼板の製造法 |
JP3126181B2 (ja) * | 1991-10-21 | 2001-01-22 | 新日本製鐵株式会社 | 耐火性の優れた海洋構造物用鋼の製造法 |
JP3202310B2 (ja) * | 1992-04-02 | 2001-08-27 | 新日本製鐵株式会社 | 大入熱溶接熱影響部靱性の優れた建築用耐火鋼板の製造法 |
JP2000192142A (ja) * | 1998-12-25 | 2000-07-11 | Nkk Corp | 低降伏比耐火鋼材の製造方法 |
JP4054139B2 (ja) * | 1999-06-30 | 2008-02-27 | 新日本製鐵株式会社 | 耐火性と溶接熱影響部靭性に優れた鋼材とその製造方法 |
JP4639508B2 (ja) * | 2001-03-30 | 2011-02-23 | Jfeスチール株式会社 | 耐火特性に優れた低降伏比鋼の製造方法 |
JP4038166B2 (ja) * | 2003-04-11 | 2008-01-23 | 新日本製鐵株式会社 | 耐震性と溶接性に優れた鋼板およびその製造方法 |
JP5079744B2 (ja) * | 2009-05-26 | 2012-11-21 | 愛三工業株式会社 | 燃料蒸気圧計測システム |
-
2005
- 2005-03-04 JP JP2005060601A patent/JP4718866B2/ja active Active
-
2006
- 2006-03-03 WO PCT/JP2006/304127 patent/WO2006093282A1/ja active Application Filing
- 2006-03-03 CN CNB2006800036308A patent/CN100529139C/zh not_active Expired - Fee Related
- 2006-03-03 US US11/816,015 patent/US20090025839A1/en not_active Abandoned
- 2006-03-03 TW TW095107217A patent/TWI322830B/zh not_active IP Right Cessation
- 2006-03-03 KR KR1020077017575A patent/KR100920536B1/ko active IP Right Grant
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103147001A (zh) * | 2013-02-22 | 2013-06-12 | 武汉钢铁(集团)公司 | 一种耐火的船体结构用钢及其生产方法 |
CN103147001B (zh) * | 2013-02-22 | 2016-02-10 | 武汉钢铁(集团)公司 | 一种耐火的船体结构用钢及其生产方法 |
CN110218938A (zh) * | 2019-06-13 | 2019-09-10 | 南京钢铁股份有限公司 | 一种焊接高热输入抗震耐火钢板及其制造方法 |
CN111172464A (zh) * | 2020-02-28 | 2020-05-19 | 鞍钢股份有限公司 | 一种690MPa级建筑结构用耐火耐候钢板及其制造方法 |
CN111172464B (zh) * | 2020-02-28 | 2021-05-28 | 鞍钢股份有限公司 | 一种690MPa级建筑结构用耐火耐候钢板及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
KR100920536B1 (ko) | 2009-10-08 |
TWI322830B (en) | 2010-04-01 |
WO2006093282A1 (ja) | 2006-09-08 |
US20090025839A1 (en) | 2009-01-29 |
CN100529139C (zh) | 2009-08-19 |
KR20070091368A (ko) | 2007-09-10 |
JP4718866B2 (ja) | 2011-07-06 |
TW200641152A (en) | 2006-12-01 |
JP2006241552A (ja) | 2006-09-14 |
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