ASTM B438/B438M-2000 标准详情
- 标准号:ASTM B438/B438M-2000
- 中文标题:标准规范的烧结青铜轴承含油
- 英文标题:standard specification for sintered bronze bearings oil-impregnated
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2000
1.1 This specification covers sintered bronze, oil-impregnated bearings made primarily from elemental copper, tin, and graphite powders. The manufacturer may, at his discretion, use prealloyed bronze powder in the blend.1.2 This specification covers
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