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

Ferroalloys
Including classification, designation, sampling, chemical analysis, etc.

GSO ASTM A957/A957M:2024 Files

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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