牌號(hào) | En42B |
對(duì)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 | 彈簧鋼 |