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ASTM A973/A973M-07(2012)

Historical Reaffirmation

Standard Specification for Grade 100 Alloy Steel Chain

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1.1 This specification covers Grade 100 heat-treated alloy steel chain for such applications as slings, lifting assemblies, and load binding.

Note 1This specification does not cover alloy steel chain for pocket wheel applications.

1.2 This specification is a performance standard for Grade 100 chain used between −20 and 400°F [−29 and 205°C]. The chain manufacturer should be contacted for use at temperatures outside this range.

1.3 The Grade designation is 1/10 of the minimum breaking strength in newtons divided by two times the nominal cross-sectional area of the chain in square millimetres.

1.4 The values stated in either SI units or in other units shall be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way.


This specification covers Grade 100 heat-treated alloy steel chain for such applications as slings, lifting assemblies, and load binding. The alloy steel shall be fully killed and have an austenitic grain size of five or finer. The steel shall be made by the electric welding or gas welding process. After welding, alloy steel chain shall be heat treated before applying the proof test. Heat and product analysis shall be performed and shall meet the required chemical composition in carbon, phosphorus, and sulfur. All chain shall be tested to at least the proof load and breaking force test specimen shall consist of a length from the lot containing at least the number of links. All chain shall be in the quenched and tempered condition before the elongation is measured.


SDO ASTM: ASTM International
Document Number A973
Publication Date Nov. 1, 2012
Language en - English
Page Count 4
Revision Level 07(2012)
Supercedes
Committee A01.27
Publish Date Document Id Type View
Jan. 1, 2021 A0973_A0973M-21 Revision
Nov. 1, 2007 A0973_A0973M-07 Revision
Sept. 10, 2001 A0973_A0973M-01 Revision
Sept. 10, 2001 A0973_A0973M-00 Revision
Nov. 1, 2012 A0973_A0973M-07R12 Reaffirmation