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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP13410076ApriorityCriticalpatent/JPS5358921A/en
Publication of JPS5358921ApublicationCriticalpatent/JPS5358921A/en
Publication of JPS5710947B2publicationCriticalpatent/JPS5710947B2/ja
PURPOSE: To provide a hydrogen cracking resistant steel which shows excellent hydrogen cracking resistance, hardly causes hydrogen embrittlement limit due to welding, and is used as a material for chemical plant machinery, by lowering the contents of C and Ni.