ASTM B439-21
Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
- Standard No.
- ASTM B439-21
- Release Date
- 2021
- Published By
- American Society for Testing and Materials (ASTM)
- Latest
- ASTM B439-21
- Scope
- 1.1?This specification covers 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. 1.2?Listed
ASTM B439-21 Referenced Document
- ASTM B243 Standard Terminology of Powder Metallurgy*， 2023-05-01 Update
- ASTM B438 Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)*， 2024-04-22 Update
- ASTM B939 Standard Test Method for Radial Crushing Strength,
*， 2024-04-22 Update - ASTM B962 Standard Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle*， 2023-09-01 Update
- ASTM B963 Standard Test Methods for Oil Content, Oil-Impregnation Efficiency, and Surface-Connected Porosity of Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle*， 2024-02-01 Update
- ASTM E1019 Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel and in Iron, Nickel, and Cobalt Alloys*， 2024-04-22 Update
- ASTM E29 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
- ASTM E9 Standard Test Methods of Compression Testing of Metallic Materials at Room Temperature
- ISO 2795 Plain bearings — Sintered bushes — Dimensions and tolerances
- ISO 5755 Sintered metal material — Specifications*， 2022-10-03 Update
ASTM B439-21 history
- 2021 ASTM B439-21 Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
- 2018 ASTM B439-18 Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
- 2012 ASTM B439-12 Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
- 2008 ASTM B439-08 Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
- 2007 ASTM B439-07 Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated)
- 2006 ASTM B439-06 Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated)
- 2000 ASTM B439-00e1 Standard Specification for Iron-Base Sintered Bearings (Oil-Impregnated)
- 2000 ASTM B439-00 Standard Specification for Iron-Base Sintered Bearings (Oil-Impregnated)
