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WN300-SCH30RFのSはいくつにすべきか

2020-06-14View Original

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この投稿は最後にzhangjuhuaによって2020-6-14 21:20に編集されました。質問があります。HG/T20615-2009規格のフランジWN300-SCH30RFで、壁厚Sは? a)S=8.38、B36.10による;b)S=8.8、HG/T20553のⅠaシリーズによる; c)S=8.95で、HG/T20592-2009 P321の付録Cにある内径寸法(323.9-306)/2から逆算すると、規格のデータを切り取ろうとしたら文字数が超過したと出て、以前はこんなに面倒ではなかったようだ

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