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ANSI B3.3-1992 (S2020)

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American National Standard for

Rolling Element Bearings –

Aircraft Engine, Engine Gearbox,

and Accessory Applications –

Surface Temper Etch

ANSI/ABMA B3.3: 1992

Stabilized Maintenance 2020




During the manufacture of bearing components, there are many grinding processes which must be carefully controlled. These grinding processes can cause excessive localized heating of the metal being worked and result in altering the metallurgical structure of the alloy. An inspection method of etching the ground surface of these alloys with acids permits detection of those altered structures. This specification for temper etch inspection details the methods and controls for performing etching of ground surfaces for the detection, qualification, and control of altered metallurgical structures and various metallic alloys subjected to grinding.


Product Details:

Published: 1992