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バルブ材質

2018-02-07View Original

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今日、バルブにA108Nという鋼印を見かけましたが、これは材質を示すものでしょうか?一般的にはWCBやCF8といったものじゃないですか?これはどのような基準でしょうか?
Reply #22018-02-07
全体を見るために、写真を撮っておくのがいいです
Reply #32018-02-07
ASTM A108規格に載っているはずですので、その規格を調べてみてください
Reply #42018-02-10
ASTM A108-2013 冷間加工炭素鋼及び合金鋼の棒材規格 投稿者は見間違えています〜正しくはA105(N?)です〜大まかに国内の20~25#鍛造品に相当します~~~

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