牌號 | En31 |
對應(yīng)標(biāo)準(zhǔn) | BS 970-1955
機(jī)械和類似工程用鍛鋼 棒材、坯料和鍛件 Wrought Steels IN THE FORM OF BARS, BILLETS AND FORGINGS UP TO 6 IN. RULING SECTION FOR AUTOMOBILE AND GENERAL ENGINEERING PURPOSE |
歸類 | 合金鋼 |
說明 | ? 交貨狀態(tài): 除非另有規(guī)定元炭,棒材和坯料軋制或鍛造狀態(tài)交貨辱囤。 除非另有規(guī)定洞惕,鍛件和落錘鍛件港苗、機(jī)加用棒材軟化狀態(tài)交貨础姚。 |