EP3026140B1 - Stahlplatte für ein leitungsrohr und leitungsrohr - Google Patents
Stahlplatte für ein leitungsrohr und leitungsrohr Download PDFInfo
- Publication number
- EP3026140B1 EP3026140B1 EP14829550.4A EP14829550A EP3026140B1 EP 3026140 B1 EP3026140 B1 EP 3026140B1 EP 14829550 A EP14829550 A EP 14829550A EP 3026140 B1 EP3026140 B1 EP 3026140B1
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- EP
- European Patent Office
- Prior art keywords
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- plate thickness
- steel plate
- content
- line pipe
- Prior art date
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- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 2
- FARHYDJOXLCMRP-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]pyrazol-3-yl]oxyacetic acid Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(N1CC2=C(CC1)NN=N2)=O)OCC(=O)O FARHYDJOXLCMRP-UHFFFAOYSA-N 0.000 description 2
- VPSXHKGJZJCWLV-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-(1-ethylpiperidin-4-yl)oxypyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)OC1CCN(CC1)CC VPSXHKGJZJCWLV-UHFFFAOYSA-N 0.000 description 2
- AWFYPPSBLUWMFQ-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(1,4,6,7-tetrahydropyrazolo[4,3-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)NN=C2 AWFYPPSBLUWMFQ-UHFFFAOYSA-N 0.000 description 2
- APLNAFMUEHKRLM-UHFFFAOYSA-N 2-[5-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-1,3,4-oxadiazol-2-yl]-1-(3,4,6,7-tetrahydroimidazo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C1=NN=C(O1)CC(=O)N1CC2=C(CC1)N=CN2 APLNAFMUEHKRLM-UHFFFAOYSA-N 0.000 description 2
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
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- JAWMENYCRQKKJY-UHFFFAOYSA-N [3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-ylmethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-8-yl]-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]methanone Chemical compound N1N=NC=2CN(CCC=21)CC1=NOC2(C1)CCN(CC2)C(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F JAWMENYCRQKKJY-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
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- 229910052689 Holmium Inorganic materials 0.000 description 1
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
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- -1 TiN Chemical class 0.000 description 1
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Images
Classifications
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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
-
- 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
-
- 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
- C21D8/02—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
-
- 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
- C21D2211/005—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
- 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
- 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
- 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
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Claims (4)
- Eine Stahlplatte für ein Leitungsrohr, wobei die Stahlplatte eine Plattendicke von 25 mm oder mehr aufweist und, ausgedrückt als Massen-%, aus0,040 bis 0,080% an C,0,05 bis 0,40% an Si,1,60 bis 2,00% an Mn,0,020% oder weniger an P,0,0025% oder weniger an S,0,05 bis 0,20% an Mo,0,0011 bis 0,0050% an Ca,0,060% oder weniger an Al,0,010 bis 0,030% an Nb,0,008 bis 0,020% an Ti,0,0015 bis 0,0060% an N,0,0040% oder weniger an O, undgegebenenfalls, ausgedrückt als Massen-%, aus einem oder mehreren aus:0,50% oder weniger an Ni,0,50% oder weniger an Cr,0,50% oder weniger an Cu,0,0050% oder weniger an Mg,0,0050% oder weniger an REM,0,100% oder weniger an V, undwobei ein Gehaltsverhältnis von Ca zu S [Ca/S] von 0,90 bis 2,70 beträgt und ein Gehaltsverhältnis von Ti zu N [Ti/N] von 2,20 bis 5,00 beträgt,
einem Rest bestehend aus Fe und unvermeidbaren Verunreinigungen besteht,
wobei Ceq, der durch die nachstehende Formel (1) definiert ist, von 0,380 bis 0,480 beträgt:
und wobei:an einer Position von 1/4 der Plattendicke eine Ferritfraktion (F1) von 20 bis 60% beträgt und ein Rest eine Struktur von Bainit ist,an einer Position von 1/2 der Plattendicke eine Ferritfraktion (F2) von 5 bis 60% beträgt und ein Rest eine Struktur von Bainit oder eine Struktur von Bainit und Martensit ist,ein Verhältnis (F1/F2) der Ferritfraktion (F1) zu der Ferritfraktion (F2) von 1,00 bis 5,00 beträgt,an einer Position von 1/4 der Plattendicke ein durchschnittlicher Korndurchmesser von Ferrit von 2,0 bis 15,0 µm beträgt und an einer Position von 1/2 der Plattendicke der durchschnittliche Korndurchmesser von Ferrit von 5,0 bis 20,0 µm beträgt, undeine Härte an einer Position von 1/2 der Plattendicke 400 Hv oder weniger beträgt, wobei die Härteprüfung nach Vickers mit einer Last von 25 g durchgeführt wurde, undeine Länge von MnS an einer Position von 1/2 der Plattendicke 1,00 mm oder weniger beträgt. - Die Stahlplatte für ein Leitungsrohr nach Anspruch 1, wobei ein Al-Gehalt 0,008% oder weniger, ausgedrückt als Massen-%, beträgt.
- Die Stahlplatte für ein Leitungsrohr nach Anspruch 1 oder 2, umfassend, ausgedrückt als Massen-%, eines oder mehrere aus:0,50% oder weniger an Ni,0,50% oder weniger an Cr,0,50% oder weniger an Cu,0,0050% oder weniger an Mg,0,0050% oder weniger an REM, und0,100% oder weniger an V.
- Ein Leitungsrohr, hergestellt unter Verwendung der Stahlplatte für ein Leitungsrohr nach einem der Ansprüche 1 bis 3.
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| JP2013155063 | 2013-07-25 | ||
| JP2013155064 | 2013-07-25 | ||
| PCT/JP2014/069471 WO2015012317A1 (ja) | 2013-07-25 | 2014-07-23 | ラインパイプ用鋼板及びラインパイプ |
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| JP6645373B2 (ja) * | 2016-07-19 | 2020-02-14 | 日本製鉄株式会社 | 厚鋼板とその製造方法 |
| JP6869151B2 (ja) * | 2016-11-16 | 2021-05-12 | 株式会社神戸製鋼所 | 鋼板およびラインパイプ用鋼管並びにその製造方法 |
| KR101908819B1 (ko) | 2016-12-23 | 2018-10-16 | 주식회사 포스코 | 저온에서의 파괴 개시 및 전파 저항성이 우수한 고강도 강재 및 그 제조방법 |
| JP6834550B2 (ja) * | 2017-02-08 | 2021-02-24 | 日本製鉄株式会社 | タンク用鋼材及びその製造方法 |
| RU2648426C1 (ru) * | 2017-08-24 | 2018-03-26 | Акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения", АО "НПО "ЦНИИТМАШ" | Хладостойкая сталь |
| EP3686303B1 (de) * | 2017-09-19 | 2021-12-29 | Nippon Steel Corporation | Stahlrohr und stahlplatte |
| JP6521196B1 (ja) * | 2017-09-28 | 2019-05-29 | Ｊｆｅスチール株式会社 | 耐サワーラインパイプ用高強度鋼板およびその製造方法並びに耐サワーラインパイプ用高強度鋼板を用いた高強度鋼管 |
| JP7216902B2 (ja) * | 2018-10-10 | 2023-02-02 | 日本製鉄株式会社 | 油井用電縫鋼管およびその製造方法 |
| JP7163777B2 (ja) * | 2019-01-09 | 2022-11-01 | 日本製鉄株式会社 | ラインパイプ用鋼板 |
| EP3925715A4 (de) * | 2019-02-13 | 2023-06-14 | Nippon Steel Corporation | Stahlrohr für ein kraftstoffeinspritzrohr und kraftstoffeinspritzrohr damit |
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| CN105143489B (zh) | 2017-03-08 |
| CN105143489A (zh) | 2015-12-09 |
| EP3026140A4 (de) | 2017-03-08 |
| JP5748032B1 (ja) | 2015-07-15 |
| RU2623569C1 (ru) | 2017-06-27 |
| JPWO2015012317A1 (ja) | 2017-03-02 |
| KR20150138301A (ko) | 2015-12-09 |
| BR112015029358B1 (pt) | 2020-12-01 |
| WO2015012317A1 (ja) | 2015-01-29 |
| KR101709887B1 (ko) | 2017-02-23 |
| EP3026140A1 (de) | 2016-06-01 |
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