牌號(hào) | B550L |
對(duì)應(yīng)標(biāo)準(zhǔn) | Q/BQB 310-2014
汽車(chē)結(jié)構(gòu)用熱連軋鋼板及鋼帶 Continuously hot-rolled steel sheet and strip for automobile structural use |
品牌/供貨源 |
中國(guó)->
寶鋼
|
歸類(lèi) | 碳鋼 |