ASTM B438-21
Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)

Standard No.
ASTM B438-21
Release Date
2021
Published By
American Society for Testing and Materials (ASTM)
Latest
ASTM B438-21
Scope
1.1?This specification covers porous metallic sleeve, flange, thrust, and spherical bronze-base bearings that are produced from mixed metal powders utilizing powder metallurgy (PM) technology and then impregnated with oil to supply operating lubrication. 1.2?Included are the sp

ASTM B438-21 Referenced Document

  • ASTM B243 Standard Terminology of Powder Metallurgy
  • ASTM B439 Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
  • ASTM B939 Standard Test Method for Radial Crushing Strength,
  • ASTM B946 Standard Test Methods for Surface Roughness of Powder Metallurgy (PM) Products
  • ASTM B962 Standard Test Methods for Density of Compacted or Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle
  • ASTM B963 Standard Test Methods for Oil Content, Oil-Impregnation Efficiency, and Surface-Connected Porosity of Sintered Powder Metallurgy (PM) Products Using Archimedes’ Principle
  • ASTM E1019 Standard Test Methods for Determination of Carbon, Sulfur, Nitrogen, and Oxygen in Steel and in Iron, Nickel, and Cobalt Alloys
  • 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

ASTM B438-21 history

  • 2021 ASTM B438-21 Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
  • 2017 ASTM B438-17 Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
  • 2013 ASTM B438-13 Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
  • 2008 ASTM B438-08 Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)
  • 2005 ASTM B438/B438M-05 Specification for Bronze Powder Metallurgy (P/M) Bearing (Oil-Impregnated)
  • 2004 ASTM B438/B438M-04 Standard Specification for Sintered Bronze Bearings (Oil-Impregnated)
  • 2000 ASTM B438/B438M-00a Standard Specification for Sintered Bronze Bearings (Oil-Impregnated)
  • 2000 ASTM B438/B438M-00 Standard Specification for Sintered Bronze Bearings (Oil-Impregnated)
  • 2000 ASTM B438/B438M-95ae1 Standard Specification for Sintered Bronze Bearings (Oil-Impregnated)
Standard Specification for Bronze-Base Powder Metallurgy (PM) Bearings (Oil-Impregnated)



Copyright ©2024 All Rights Reserved