ASTM B 439 : 2012-09现行
SPECIFICATION FOR IRON-BASE POWDER METALLURGY (PM) BEARINGS (OIL-IMPREGNATED)
出版：American Society for Testing and Materials
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基本信息
标准编号： ASTM B 439 : 2012-09
标准类别：Redline
出版单位：American Society for Testing and Materials
标准页数：0
标准简介
CONTAINED IN VOL. 02.05, 2018 Provides the requirements for porous iron-base metallic sleeve, flange, thrust, and spherical bearings that are produced from metal powders utilizing powder metallurgy (PM) technology and then impregnated with oil to supply operating lubrication.
