GSO ASTM A957/A957M:2024
Gulf Standard
Current Edition
·
Approved on
25 April 2024
·
Standard Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use
GSO ASTM A957/A957M:2024 Files
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GSO ASTM A957/A957M:2024 Scope
This specification covers a group of requirements that are mandatory for castings produced by the investment casting process to meet the metallurgical requirements of the following steel casting specifications. Chemical, heat, and product analyses shall be performed wherein the material shall meet the specified composition limits for carbon, manganese, silicon, phosphorus, sulfur, nickel, chromium, molybdenum, vanadium, tungsten, copper, and aluminum. The specified design and dimensions of the ICI test bar shall be employed only for austenitic alloy castings. The material shall conform to mechanical properties including tension test requirements.
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