牌號(hào) | B |
---|---|
中國(guó)ISC | U51212 |
對(duì)應(yīng)標(biāo)準(zhǔn) | GB 712-2011
船舶及海洋工程用結(jié)構(gòu)鋼 Ship and Ocean Engineering Structural Steel |
歸類 | 碳鋼 |
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