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ASTM A823-99(2023)
Standard Specification for Statically Cast Permanent Mold Gray Iron Castings
Translate name
STANDARD published on 1.11.2023
The information about the standard:
Designation standards: ASTM A823-99(2023)
Publication date standards: 1.11.2023
SKU: NS-1157722
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM A823-99(2023) :
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.
Keywords:
chemical composition, gray iron, hardness, heat treatment, iron castings, statically cast permanent mold, tensile strength,, ICS Number Code 77.140.80 (Iron and steel castings)
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