1.1本规范涵盖了由两种类型的铜锡成分（取决于密度）制成的烧结金属粉末结构零件。 1.2以英寸-磅为单位的数值应视为标准值。括号中的SI值仅供参考，可能是近似值。 注1:粉末冶金术语的定义见定义 B243页 更多有用信息可在ASTM标准年鉴第02.05卷的相关材料部分获得。

1.1 This specification covers sintered metal powder structural parts made from one copper-tin composition of two types depending on density. 1.2 The values stated in inch-pound units are to be regarded as standard. The SI values in parentheses are for information only and may be approximate. Note 1-Definitions of powder metallurgy terms can be found in Definitions B243 and additional useful information is available in the Related Material section of Vol 02.05 of the Annual Book of ASTM Standards.