低合金结构钢牌号及化学成分表
点击次数:1981 发布时间:2009-11-02
铝合金分析仪器分析以下几种铝合金成分牌号质量等级C≤MnSi≤P≤S≤VNbTiAl≥Cr≤Ni≤Q290.160.80~1.500.550.0450.0450.02~0.150.015~0.0600.02~0.20---Q340.201.00~1.600.550.0450.0450.02~0.150.015~0.0600.02~0.20---Q390A0.201.00~1.600.550.0450.0450.02~0.200.015~0.0600.02~0.20-0.300.70Q420A0.201.00~1.700.550.0450.0450.02~0.200.015~0.0600.02~0.20-0.400.70Q460C0.201.00~1.700.550.0350.0350.02~0.200.015~0.0600.02~0.200.0150.700.70注:表中的Al为全铝含量,(铝合金分析仪)如化验酸溶铝时,其含量应不小于0.010%南京固琦分析仪器制造有限公司09.11.02