ASTM WK37557(What is a Work Item? / How to Input to a Work Item)Work Item: ASTM WK37557 - Revision of A420 / A420M - 10a Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature ServiceActive Standard: A420 / A420M - 10a Developed by Subcommittee: A01.22 | Committee A01 Home | Contact Staff Manager
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