ASTM A 487/A 487M Standard Specification for Steel Castings Suitable for Pressure Service

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ASTM A 487/A 487M Document Information:

Title
Standard Specification for Steel Castings Suitable for Pressure Service

ASTM International

Publication Date:
Dec 15, 1993

Scope:

This specification² covers low-alloy steels and martensitic stainless steels in the normalized and tempered, or quenched and tempered, condition suitable for pressurecontaining parts. The weldability of the classes in this specification varies from readily weldable to weldable only with adequate precautions, and the weldability of each class should be considered prior to assembly by fusion welding.

Selection will depend on design, mechanical, and service conditions. Users should note that hardenability of some of the grades mentioned may restrict the maximum size at which the required mechanical properties are obtained.

The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. Inch-pound units are applicable for material ordered to Specification A 487 and SI units for material ordered to Specification A 487M.

² For ASME Boiler and Pressure Vessel Code applications see related Specifications SA-487 in Section II of that code.

Keywords:

alloy steel

martensitic stainless steel

pressure containing parts

stainless steel

steel castings

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