牌號 | Q420D |
中國ISC | L04204 |
對應(yīng)標(biāo)準(zhǔn) | GB /T 16270-1996
高強(qiáng)度結(jié)構(gòu)鋼熱處理和控軋鋼板筛六、鋼帶 High-strength structural steel plates and strips:products supplied in the heat-treated or controlled rolled condition |
歸類 | 合金鋼 |
材料牌號對應(yīng)供應(yīng)商