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ASTM A485-17

Current Revision

Standard Specification for High Hardenability Antifriction Bearing Steel

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1.1 This specification covers high hardenability modifications of high-carbon bearing quality steel to be used in the manufacture of antifriction bearings.

1.2 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.

1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


This specification covers high hardenability modifications of high-carbon bearing quality steel to be used in the manufacture of antifriction bearings. The grades of steels covered here are: Grade 1, Grade 2, Grade 3, Grade 4, Grade B2, Grade B3, Grade B4, Grade B5, Grade B6, Grade B7, and Grade B8. Heat and product analyses shall be performed wherein specimens shall conform to required chemical composition of carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, titanium, copper, molybdenum, oxygen, and aluminum. The steels shall undergo normalizing followed by spheroidize annealing before heating for end quenching. Test for hardenability shall be performed wherein specimens shall conform to required Brinell and Rockwell hardness.


SDO ASTM: ASTM International
Document Number A485
Publication Date Sept. 1, 2017
Language en - English
Page Count 4
Revision Level 17
Supercedes
Committee A01.28
Publish Date Document Id Type View
Sept. 1, 2017 A0485-17 Revision
Oct. 1, 2014 A0485-14 Revision
Oct. 1, 2009 A0485-09 Revision
April 10, 2003 A0485-03 Revision
May 10, 2000 A0485-00 Revision
March 1, 2022 A0485-17R22 Reaffirmation