ASTM-B782 › Standard Specification for Iron Graphite Sintered Bearings (Oil-Impregnated) (Withdrawn 2007)
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1.1 This specification covers iron-base sintered metal powder, oil-impregnated bearings. There are two grades, depending on the level of combined carbon (see Table 1):
1.1.1 Grade 1, Iron Graphite -low combined carbon, and
1.1.2 Grade 2, Iron Graphite -high combined carbon.
1.2 The values stated in inch-pound units are the standard. The metric equivalents of inch-pound units may be approximate.
Note 1--Definitions of powder metallurgy terms can be found in Definitions B243. Additional useful information is available in the Related Material section of Vol 02.05 of the Annual Book of ASTM Standards .
Note 2--Information on design, permissible loads, dimensional tolerances, and recommended press fits and running clearances are provided in Appendix X1.
density; iron graphite bearings; K strength constant; oil content; oil-impregnated; porosity; ICS Number Code 21.100.10 (Plain bearings)
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Oct. 10, 2000