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| GB/T 25746-2010 Metallographic test for malleable cast iron (English Version) |
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Detail of GB/T 25746-2010
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Introduction of GB/T 25746-2010
本标准规定了在金相显微镜下可锻铸铁显微组织的评定方法。
本标准对可锻铸铁的石墨形状、石墨形状分级、石墨分布、石墨颗数、珠光体形状、珠光体残余量分级、渗碳体残余量分级、表皮层厚度的评定方法作了规定,并列出了相应评级图。
本标准适用于评定可锻铸铁的金相显微组织。
Contents of GB/T 25746-2010