Active standard | Published: 01/03/2020

ASTM A892-09(2020)

Standard Guide for Defining and Rating the Microstructure of High Carbon Bearing Steels

Available languages: English

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Detail information

Designation: ASTM A892-09(2020)

Publication date: 01/03/2020

Pages: 2

Country: American technical standard

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Anotation

This guide covers the definition and rating of the microstructure of carbide structures in annealed high carbon bearing steels. Requirements for the optical metallograph apparatus and specimen preparation including polishing and etching are detailed. The description of the reference photomicrographs (graded illustrations of annealed carbides categorized by size, network, and lamellar content (shape)) that shall be used in the evaluation and the equation that shall define the rating are given.

Keywords:
antifriction bearings, bearing steel, chromium alloy steel, metallography,, ICS Number Code 77.140.20 (Steels of high quality)

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