摘要:ASTM 8620H是一种常用的合金渗碳钢,执行标准ASTM A534-04。渗碳处理后表面有相当高的硬度、耐磨性和接触疲劳强度,同时心部还保留良好的韧性,能承受高的冲击负荷。主要用于制造车轴承等耐冲击、耐磨损零件。
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