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ASTM A159-83(2024)

Standard Specification for Automotive Gray Iron Castings
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This specification covers gray iron castings for products of the automobile, truck, tractor and allied industries. The materials shall be classified into eight grades (G1800, G2500, G3000, G3500, G4000, G2500a, G3500b and G3500c) based on the range of their casting hardness, chemical composition and microstructure. Grades G1800 and G2500 shall be annealed. Alloy gray iron automotive camshafts of grade designation G4000d shall conform to the required values of casting hardness, chemical compositions of chromium, molybdenum, and nickel and microstructure. The cam areas of camshaft casting shall undergo selective hardening by flame or induction hardening and shall conform to the required values of depth and surface hardness.

1.1 This specification applies to gray iron castings, cast in sand molds, used in the products of the automobile, truck, tractor, and allied industries.

1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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.

SDO ASTM: ASTM International
Document Number A159
Publication Date Oct. 1, 2024
Language en - English
Page Count 5
Revision Level 83(2024)
Supercedes
Committee A04.01
Publish Date Document Id Type View
Oct. 1, 2024 A0159-83R24 Revision
May 1, 2020 A0159-83R20 Revision
Nov. 1, 2015 A0159-83R15 Revision
March 1, 2011 A0159-83R11 Revision
Oct. 1, 2006 A0159-83R06 Revision
Jan. 1, 1993 A0159-83R01 Revision
Jan. 1, 1993 A0159-83R93 Revision