牌號 | A490M Type 3 |
---|---|
對應(yīng)標(biāo)準(zhǔn) | ASTM A490M-2008
結(jié)構(gòu)鋼連接用高強(qiáng)度鋼螺栓,10.9級和10.9.3級 (米制) High-Strength Steel Bolts, Classes 10.9 And 10.9.3, For Structural Steel Joints (Metric) |
歸類 | 合金鋼 |
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