| 牌號 | A307 Grade B |
|---|---|
| 對應(yīng)標(biāo)準(zhǔn) | ASTM A307-2014
抗拉強(qiáng)度為60000 PSI的碳鋼螺栓, 螺柱和螺桿的標(biāo)準(zhǔn)規(guī)格 Standard specification for carbon steel bolts, studs, and threaded rod 60000 psi tensile strength |
| 歸類 | 碳鋼 |
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