牌號 | A354 Grade BD |
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對應(yīng)標(biāo)準(zhǔn) | ASTM A354-2017
淬火與回火合金鋼螺栓, 螺柱及其它外螺紋緊固件的標(biāo)準(zhǔn)規(guī)格 Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners |
歸類 | 合金鋼 |
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