QT400
QT400
QT400的化学成分,还有QT300的
QT400的化学成分,还有QT300的
数学人气：141 ℃时间：2020-04-24 18:26:20
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QT300-15C:3.62Si:2.4Mn:0.5P:0.087 球铁化学成分 ％牌 号 C Si Mn S P QT400~18 球化前 球化后3.4.1 0.1.2 ≤0.4 ≤0.05 ≤0.07 3.4.0 2.3.2 ≤0.02 QT450~10 球化前 球化后3.4.1 0.1.2 ≤0.4 ≤0.05 ≤0.07 3.3.9 ...
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