牌号 | En8 |
---|---|
对应标准 | BS 970-1955
机械和类似工程用锻钢 棒材、坯料和锻件 Wrought steels in the form of bars, billets and forgings up to 6 in. ruling section for automobile and general engineering purpose |
归类 | 碳钢 |
标签 | 40碳钢 |
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