JP2008542531A - 改善された溶接性を有する潜水艦船体用鋼 - Google Patents
改善された溶接性を有する潜水艦船体用鋼 Download PDFInfo
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- JP2008542531A JP2008542531A JP2008512869A JP2008512869A JP2008542531A JP 2008542531 A JP2008542531 A JP 2008542531A JP 2008512869 A JP2008512869 A JP 2008512869A JP 2008512869 A JP2008512869 A JP 2008512869A JP 2008542531 A JP2008542531 A JP 2008542531A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 61
- 239000010959 steel Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000012535 impurity Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 9
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052796 boron Inorganic materials 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 27
- 230000000717 retained effect Effects 0.000 claims description 2
- 229910001563 bainite Inorganic materials 0.000 abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 abstract description 7
- 229910052804 chromium Inorganic materials 0.000 abstract description 6
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 6
- 229910052758 niobium Inorganic materials 0.000 abstract description 6
- 229910052719 titanium Inorganic materials 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 239000010955 niobium Substances 0.000 description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- 229910052710 silicon Inorganic materials 0.000 description 12
- 239000010703 silicon Substances 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 238000005336 cracking Methods 0.000 description 11
- 239000011651 chromium Substances 0.000 description 8
- 150000001247 metal acetylides Chemical class 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000011572 manganese Substances 0.000 description 6
- 238000010791 quenching Methods 0.000 description 6
- 230000000171 quenching effect Effects 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910052721 tungsten Inorganic materials 0.000 description 6
- 239000010937 tungsten Substances 0.000 description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 5
- 239000011733 molybdenum Substances 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 5
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005204 segregation Methods 0.000 description 4
- 229910052715 tantalum Inorganic materials 0.000 description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000010953 base metal Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000922 High-strength low-alloy steel Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- -1 similarly Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/40—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms characterised by joining methods
- B63B73/43—Welding, e.g. laser welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/0209—Seam welding; Backing means; Inserts of non-horizontal seams in assembling non-horizontal plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/23—Arc welding or cutting taking account of the properties of the materials to be welded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/04—Superstructure
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
- C22C38/04—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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- 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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
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- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Architecture (AREA)
- Optics & Photonics (AREA)
- Structural Engineering (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Heat Treatment Of Steel (AREA)
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Description
0.030%≦C<0.080%
0.040%≦Si≦0.48%
0.1%≦Mn≦1.4%
2%≦Ni≦4%
Cr≦0.3%
0.30%≦Mo+W/2+3(V+Nb/2+Ta/4)≦0.89%
Mo≧0.15%
V+Nb/2+Ta/4≦0.004%
Nb≦0.004%
Cu≦0.45%
Al≦0.1%
Ti≦0.04%
N≦0.0300%
残りは、鉄および製造作業から結果として生じる不純物、含有量が0.0005%未満の不純物であるホウ素、およびP+S≦0.015%を含み、この化学的成分が、
410≦540×C0.25+245[Mo+W/2+3(V+Nb/2+Ta/4)]0.30≦460の条件を満たし、鋼は、実質的にマルテンサイトのまたはより低いベイナイトである組織、またはこれら2つの組織の混合物によって実質的に構成される組織を有し、480MPaと620MPaの間の降伏強度と−60℃で50Jより大きなシャルピー靭性V、Kcvを有する、少なくとも90%のマルテンサイトまたはより低いベイナイトまたはこれら2つの組織の混合物、最大5%の在留オーステナイト、最大5%のフェライトを含む、組織を有することを特徴とする。
Si≦0.19%
Mn≦1%
W≧0.11%
2.5%≦Ni≦3.5%
Cr≦0.2%、および好ましくはCr≦0.09%
425≦540×C0.25+245[Mo+W/2+3(V+Nb/2+Ta/4)]0.30≦450
Ni≧2.7%
Mo≦0.75%
C≦0.055%
Claims (16)
- 潜水艦船体製造用鋼であって、化学成分が重量%で、
0.030%≦C<0.080%
0.040%≦Si≦0.48%
0.1%≦Mn≦1.4%
2%≦Ni≦4%
Cr≦0.3%
0.30%≦Mo+W/2+3(V+Nb/2+Ta/4)≦0.89%
Mo≧0.15%
V+Nb/2+Ta/4≦0.004%
Nb≦0.004%
Cu≦0.45%
Al≦0.1%
Ti≦0.04%
N≦0.0300%
残りは、鉄および製造作業から結果として生じる不純物、含有量が0.0005%未満の不純物であるホウ素、およびP+S≦0.015%を含み、化学成分は、
410≦540×C0.25+245[Mo+W/2+3(V+Nb/2+Ta/4)]0.30≦460の条件を満たし、
鋼は、少なくとも90%のマルテンサイト、最大5%の在留オーステナイト、最大5%のフェライトを含む、実質的にマルテンサイトの組織を有し、かつ480MPaから620MPaの間の降伏強度と、−60℃で50Jより大きなシャルピー靭性V、Kcvを有することを特徴とする、潜水艦船体製造用鋼。 - Si≦0.19%であることを特徴とする、請求項1に記載の鋼。
- Mn≦1%であることを特徴とする、請求項1または2に記載の鋼。
- W≧0.11%であることを特徴とする、請求項1から3のいずれか一項に記載の鋼。
- 2.5%≦Ni≦3.5%であることを特徴とする、請求項1から4のいずれか一項に記載の鋼。
- Cr≦0.15%であることを特徴とする、請求項1から4のいずれか一項に記載の鋼。
- Cr≦0.09%であることを特徴とする、請求項6に記載の鋼。
- 425≦540×C0.25+245[Mo+W/2+3(V+Nb/2+Ta/4)]0.30≦450であることを特徴とする、請求項1から7のいずれか一項に記載の鋼。
- Ni≧2.7%であることを特徴とする、請求項1から8のいずれか一項に記載の鋼。
- Mo≦0.75%であることを特徴とする、請求項1から9のいずれか一項に記載の鋼。
- C≦0.055%であることを特徴とする、請求項1から10のいずれか一項に記載の鋼。
- 0.030%≦C<0.060%
0.040%≦Si<0.29%
0.6%≦Mn<1.2%
2.5%≦Ni<3.5%
Cr<0.15%
0.40%≦Mo+W/2+3(V+Nb/2+Ta/4)<0.59%
Mo≧0.15%
V+Nb/2+Ta/4≦0.004%
Nb≦0.004%
Cu<0.25%
Al<0.04%
Tiはなしまたはトレースレベル
であることを特徴とする、請求項1に記載の鋼。 - 15mmと150mmの間の厚さを有し、焼き入れされかつ焼き戻しされている、請求項1から12のいずれか一項に記載の鍛造または圧延された鋼の潜水艦船体部材。
- 溶接を使用して組み立てられる、請求項13に記載の部材を備える潜水艦船体。
- 15mmと150mmの間の厚さを有し、かつ溶接を使用して組み立てられる部材を備える潜水艦船体を製造するための、請求項1から12のいずれか一項に記載の鋼の使用。
- 外部温度が0℃未満である現場で溶接が行われるときを含み、予熱なしでまたは25℃以下の温度に予熱して、部材が溶接を使用して組み立てられることを特徴とする、請求項15に記載の鋼の使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0505333 | 2005-05-26 | ||
FR0505333A FR2886314B1 (fr) | 2005-05-26 | 2005-05-26 | Acier pour coques de sous-marins a soudabilite renforcee |
PCT/FR2006/001150 WO2006125899A1 (fr) | 2005-05-26 | 2006-05-19 | Acier pour coques de sous-marins a soudabilite renforcee |
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JP2011235036A Division JP5635477B2 (ja) | 2005-05-26 | 2011-10-26 | 改善された溶接性を有する潜水艦船体用鋼 |
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JP2008542531A true JP2008542531A (ja) | 2008-11-27 |
JP5042213B2 JP5042213B2 (ja) | 2012-10-03 |
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JP2008512869A Active JP5042213B2 (ja) | 2005-05-26 | 2006-05-19 | 改善された溶接性を有する潜水艦船体用鋼 |
JP2011235036A Active JP5635477B2 (ja) | 2005-05-26 | 2011-10-26 | 改善された溶接性を有する潜水艦船体用鋼 |
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JP2019505672A (ja) * | 2015-12-22 | 2019-02-28 | ポスコPosco | Pwht抵抗性に優れた低温圧力容器用鋼板及びその製造方法 |
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BR112015005492A2 (pt) | 2012-09-30 | 2017-07-04 | Saint Gobain Performance Plastics Corp | conjunto de rolamentos |
CN104451419B (zh) * | 2014-11-28 | 2017-01-11 | 成都格瑞特高压容器有限责任公司 | 10CrNi3MoV高压无缝钢瓶及其制造工艺 |
CN105177425B (zh) * | 2015-09-26 | 2017-06-20 | 哈尔滨工程大学 | 一种含铜纳米相强化低合金钢及其制备方法 |
CN109536850B (zh) * | 2019-01-10 | 2020-10-02 | 北京科技大学 | 一种高强韧低屈强比厚钢板及其生产工艺 |
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JPH0860293A (ja) * | 1994-08-24 | 1996-03-05 | Sumitomo Metal Ind Ltd | 高張力鋼 |
JP2002309340A (ja) * | 2001-04-10 | 2002-10-23 | Nkk Corp | 耐候性に優れた構造用鋼 |
JP2002371338A (ja) * | 2001-04-09 | 2002-12-26 | Nippon Steel Corp | レーザー溶接部の靭性に優れた鋼 |
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CA2231985C (en) * | 1997-03-26 | 2004-05-25 | Sumitomo Metal Industries, Ltd. | Welded high-strength steel structures and methods of manufacturing the same |
FR2781506B1 (fr) * | 1998-07-21 | 2000-08-25 | Creusot Loire | Procede et acier pour la fabrication d'une enceinte chaudronnee travaillant en presence d'hydrogene sulfure |
JP2000129392A (ja) * | 1998-10-20 | 2000-05-09 | Nippon Steel Corp | 耐疲労き裂進展特性に優れた高強度鋼材及びその製造方法 |
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US6730876B2 (en) * | 2001-05-29 | 2004-05-04 | U.S. Pipe And Foundry Company | Highly ductile reduced imperfection weld for ductile iron and method for producing same |
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JPH05337608A (ja) * | 1992-06-12 | 1993-12-21 | Nippon Steel Corp | Ni系熱延鋼材の製造方法 |
JPH0860293A (ja) * | 1994-08-24 | 1996-03-05 | Sumitomo Metal Ind Ltd | 高張力鋼 |
JP2002371338A (ja) * | 2001-04-09 | 2002-12-26 | Nippon Steel Corp | レーザー溶接部の靭性に優れた鋼 |
JP2002309340A (ja) * | 2001-04-10 | 2002-10-23 | Nkk Corp | 耐候性に優れた構造用鋼 |
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EP1885900B1 (fr) | 2017-07-26 |
AU2006251093B2 (en) | 2011-09-22 |
JP5042213B2 (ja) | 2012-10-03 |
US9334552B2 (en) | 2016-05-10 |
SI1885900T1 (sl) | 2017-10-30 |
FR2886314B1 (fr) | 2007-07-20 |
CN101180413A (zh) | 2008-05-14 |
JP2012087410A (ja) | 2012-05-10 |
JP5635477B2 (ja) | 2014-12-03 |
AU2006251093A1 (en) | 2006-11-30 |
FR2886314A1 (fr) | 2006-12-01 |
BRPI0613273B1 (pt) | 2015-08-18 |
CN101180413B (zh) | 2011-03-23 |
EP1885900A1 (fr) | 2008-02-13 |
US20080213121A1 (en) | 2008-09-04 |
WO2006125899A1 (fr) | 2006-11-30 |
RU2380452C2 (ru) | 2010-01-27 |
ES2639171T3 (es) | 2017-10-25 |
BRPI0613273A2 (pt) | 2010-12-28 |
US20160207132A1 (en) | 2016-07-21 |
KR20080017396A (ko) | 2008-02-26 |
US9669482B2 (en) | 2017-06-06 |
RU2007148919A (ru) | 2009-07-10 |
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