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ASTM A823-99(2023)

Historical Reaffirmation

Standard Specification for Statically Cast Permanent Mold Gray Iron Castings

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1.1 This specification covers gray iron castings that are statically cast in permanent molds.

1.2 No precise quantitative relationship can be stated between the properties of the iron in various locations of the same casting or between the properties of a casting and those of a test specimen cast from the same iron (see Appendix X1).

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 gray iron castings that are statically cast in permanent molds. Castings under this specification are classified into a number of grades (A-SA, A-SB, A-SC, A-SS, A-CA, A-CB, A-CC, N-SA, N-SB, N-SC,N-SS, N-CA, N-CB and N-CC) based on the properties of separately cast test bars. The grades are designated A for annealed or N for normalized; followed by an S or a C to designate a solid or a cored casting; followed by an A, B, C, or S to designate the test bar to be poured with the castings. The cast test bar shall be selected on the basis of the controlling section size of the casting and shall have the specified dimensions (diameter and length). Castings may be produced in the as cast state provided the tensile strength and Brinell hardness requirements are met. The chemical composition and heat treatment shall be such as to produce these mechanical requirements as well. A suitable permanent mold design for separately cast test bars is described and the tension test requirements are detailed.


SDO ASTM: ASTM International
Document Number A823
Publication Date Nov. 1, 2023
Language en - English
Page Count 7
Revision Level 99(2023)
Supercedes
Committee A04.01
Publish Date Document Id Type View
Oct. 10, 1999 A0823-99 Revision
Nov. 1, 2023 A0823-99R23 Reaffirmation
Nov. 1, 2019 A0823-99R19 Reaffirmation
Oct. 1, 2012 A0823-99R12 Reaffirmation
Oct. 1, 2008 A0823-99R08 Reaffirmation
Oct. 10, 1999 A0823-99R03 Reaffirmation