ASTM B439-00e1
Historical Standard: ASTM B439-00e1 Standard Specification for Iron-Base Sintered Bearings (Oil-Impregnated)
SUPERSEDED (see Active link, below)
ASTM B439
1. Scope
1.1 This specification covers sintered metal powder, oil-impregnated, bearings of four iron-base compositional grades:
Grades 1 and 2 iron-carbon
Grades 3 and 4 iron-copper
1.2 The values stated in inch-pound units are to be regarded as the standard. The metric equivalents of inch-pound units may be approximate.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
B243 Terminology of Powder Metallurgy
B438 Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
B939 Test Method for Radial Crushing Strength, K, of Powder Metallurgy (PM) Bearings and Structural Materials
B962 Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes Principle
B963 Test Methods for Oil Content, Oil-Impregnation Efficiency, and Interconnected Porosity of Sintered Powder Metallurgy (PM) Products Using Archimedes Principle
B966 Test Method for Permeability of Powder Metallurgy (PM) Bearings Using Nitrogen Gas
B970 Test Method for Cleanliness of Powder Metallurgy (PM) Bearings and Structural Parts
E9 Test Methods of Compression Testing of Metallic Materials at Room Temperature
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E1019 Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel, Iron, Nickel, and Cobalt Alloys by Various Combustion and Fusion Techniques
MPIF Standard
MPIFStandard35 Materials Standards for PM Self-Lubricating BearingsKeywords
bearing breaking load; impregnated density; interconnected porosity; oil content; oil-impregnated bearings; open porosity; PM bearings; porous metallic bearings; PV factor; PV limit; radial crushing strength; self-lubricating bearings;
ICS Code
ICS Number Code 21.100.10 (Plain bearings)
DOI: 10.1520/B0439-00E01
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