牌号 | A354 Grade BD |
---|---|
对应标准 | ASTM A354-2017
淬火与回火合金钢螺栓, 螺柱及其它外螺纹紧固件的标准规格 Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners |
归类 | 合金钢 |
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