ASTM A888-20,Standard Specification for Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications.
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ASTM A888-20 covers hubless cast iron soil pipe and fittings for use in gravity flow applications.
ASTM A888-20 establishes standards covering material, manufacture, mechanical and chemical properties, dimensions, coating, test methods, inspection, certification, and product marking for hubless cast iron soil pipe and fittings.
Materials and Manufacture
The pipe and fittings shall be iron castings suitable for installation and service for sanitary,storm drain, waste, and vent piping applications. The pipe and fittings shall meet all applicable requirements and tests given in this specification.
The castings shall be made of cast iron, produced by an established commercial method that provides control over chemical and mechanical properties. “Cast iron”is a genericerm for a series of alloys as defined in Terminology A644 and includes gray iron as well as ductile iron. The castings shall besound, true to pattern, and of compact close grain that permits drilling and cutting by ordinary methods. The interior surface shall be reasonably smooth and free from defects that would make the castings unfit for the use for which they are intended.