SAE J2654_201508


Hardness of Brake Lining (Stabilized: Aug 2015)
standard by SAE International, 08/01/2015


Hardness measurements are used as a quality control check of the consistency of formulation and processing of brake linings. This hardness method is nondestructive.

NOTE: This method is not a measure of friction level.

The hardness and the range of hardness are characteristic of each formulation; therefore, the acceptable values and ranges must be established for each formulation and may be affected by processing.

NOTE: The hardness of sintered powder metal lining is usually determined with Rockwell superficial hardness equipment. (See ASTM B 347)

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