Standard Specification for Investment Castings, Steel and Alloy, Common Requirements, for General Industrial Use

The information about the standard:

Designation standards: ASTM A957/A957M-26
Publication date standards: 1.10.2026
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM

Annotation of standard text ASTM A957/A957M-26 :

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.

Keywords:
casting, investment casting, master heat, steel, sub-heat,, ICS Number Code 77.100 (Ferroalloys)