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1. WO2020137812 - STEEL FOR HIGH PRESSURE HYDROGEN GAS ENVIRONMENTS, STEEL STRUCTURE FOR HIGH PRESSURE HYDROGEN GAS ENVIRONMENTS, AND METHOD FOR PRODUCING STEEL FOR HIGH PRESSURE HYDROGEN GAS ENVIRONMENTS

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Publication Number WO/2020/137812
Publication Date 02.07.2020
International Application No. PCT/JP2019/049853
International Filing Date 19.12.2019
IPC
C21D 8/02 2006.01
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
8Modifying the physical properties by deformation combined with, or followed by, heat treatment
02during manufacturing of plates or strips
C22C 38/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
C22C 38/16 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
16containing copper
C22C 38/58 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
18containing chromium
40with nickel
58with more than 1.5% by weight of manganese
CPC
C21D 8/02
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING 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
8Modifying the physical properties by deformation combined with, or followed by, heat treatment
02during manufacturing of plates or strips
C22C 38/00
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
C22C 38/16
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
16containing copper
C22C 38/58
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
18containing chromium
40with nickel
58with more than 1.5% by weight of manganese
Applicants
  • ＪＦＥスチール株式会社 JFE STEEL CORPORATION [JP]/[JP]
Inventors
  • 長尾　彰英 NAGAO Akihide
Agents
  • 熊坂　晃 KUMASAKA Akira
  • 森　和弘 MORI Kazuhiro
  • 磯村　哲朗 ISOMURA Tetsuo
  • 坂井　哲也 SAKAI Tetsuya
Priority Data
2018-24213026.12.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) STEEL FOR HIGH PRESSURE HYDROGEN GAS ENVIRONMENTS, STEEL STRUCTURE FOR HIGH PRESSURE HYDROGEN GAS ENVIRONMENTS, AND METHOD FOR PRODUCING STEEL FOR HIGH PRESSURE HYDROGEN GAS ENVIRONMENTS
(FR) ACIER POUR ENVIRONNEMENTS À HYDROGÈNE GAZEUX À HAUTE PRESSION, STRUCTURE EN ACIER POUR ENVIRONNEMENTS À HYDROGÈNE GAZEUX À HAUTE PRESSION ET PROCÉDÉ DE PRODUCTION D'ACIER POUR ENVIRONNEMENTS À HYDROGÈNE GAZEUX À HAUTE PRESSION
(JA) 高圧水素ガス環境用鋼材および高圧水素ガス環境用鋼構造物ならびに高圧水素ガス環境用鋼材の製造方法
Abstract
(EN)
Provided are: steel that is ideal for hydrogen accumulators, hydrogen line pipe, etc. and has excellent hydrogen embrittlement resistance characteristics in high pressure hydrogen gas environments; and a method for producing the same.　The steel for high pressure hydrogen gas environments has a prescribed component composition, a tensile strength of at least 560 mPa, and a fracture toughness value KIH in a high pressure hydrogen gas atmosphere of at least 40 MPa・m1/2.
(FR)
L'invention concerne : un acier qui est idéal pour des accumulateurs d'hydrogène, un tuyau de conduite d'hydrogène, etc. et qui présente d'excellentes caractéristiques de résistance à la fragilisation par l'hydrogène dans des environnements à hydrogène gazeux à haute pression ; et son procédé de production.　L'acier pour environnements à hydrogène gazeux à haute pression a une composition prédéfinie de constituants, une résistance à la traction d'au moins 560 mPa et une valeur de ténacité à la rupture KIH dans une atmosphère à hydrogène gazeux à haute pression d'au moins 40 MPa・m1/2.
(JA)
水素用蓄圧器、水素用ラインパイプ等用として好適な、高圧水素ガス環境下における耐水素脆化特性に優れた鋼材およびその製造方法を提供する。　所定の成分組成を有し、引張強さ：560MPa以上を有し、高圧水素ガス雰囲気中の破壊靭性値KIHが40MPa・m1/2以上である高圧水素ガス環境用鋼材。
Also published as
JPWO2020137812
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