这是什么牌号材料啊...急...
这是材料的化学成份分析結果如下:元素_____C_____Mn____Si_____P______S_______Cu_____Ni______Cr_____Mo_____Al_____V_______Co___
樣本1___0.19___0.80___0.10___0.016___0.035___0.008___0.087___0.10___0.005___0.008___0.008___0.00035
樣本2___0.22___0.79___0.10___0.017___0.036___0.009___0.086___0.10___0.005___0.008___0.008___0.00035
樣本3___0.20___0.80___0.10___0.016___0.035___0.009___0.086___0.10___0.005___0.008___0.008___0.00035 是20Mn材料,标准要求C0.17~0.24,Mn0.8~1.0,Si0.17~0.37,P\S都小于0.035,Ni\Cr\C产要求不大于0.25,其它的标准上未介绍。
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