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HG20534.7とGB12771の違い

2020-10-12View Original

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大口径の溶接ステンレス管において、これら2つの規格に違いはありますか?材料は代用できますか?
Reply #22020-10-12
製造工程を見れば、間違いなく違いがある!
Reply #32020-10-13
HG20534.7とはどのような規格ですか?工標網でも見つからない。
Reply #42020-10-14
各基準には適用範囲がある
Reply #52020-10-14
HG 20534-1993 化学工業用固体原料・燃料の製造設計規定
Reply #62020-10-15
これ、ステンレス管とは関係ないよね?

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