| 牌號 | En44D |
| 對應標準 | BS 970-1955
機械和類似工程用鍛鋼 棒材安岂、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 |
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