631不锈钢带的标准是ASME SA-693沉淀硬化不锈和耐热钢板、薄板和钢带 Standard Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip http://www.3dportal.cn/discuz/viewthread.php?tid=866131&highlight=A693 ) `* B0 P# {; X, d5 v) I+ P" \# I: ]& u P. d9 m
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