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1.1 This specification covers pressure consolidated powder metallurgy iron-nickel-chromium-molybdenum (UNS N08367) and nickel-chromium-molybdenumcolumbium (Nb) (UNS N06625) pipe flanges, fittings, valves, and parts intended for general corrosion or heat-resisting service.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 The following safety hazards caveat pertains only to test methods portions, Sections 7.3 and 13, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E8 Test Methods for Tension Testing of Metallic Materials
E1473 Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys
G28 Test Methods for Detecting Susceptibility to Intergranular Corrosion in Wrought, Nickel-Rich, Chromium-Bearing Alloys
G48 Test Methods for Pitting and Crevice Corrosion Resistance of Stainless Steels and Related Alloys by Use of Ferric Chloride Solution
Manufacturers Standardization Society of the Valve and Fittings Industry StandardSP-25 Standard Marking System for Valves, Fittings, Flanges, and Unions
ASME/ANSI StandardASME/ANSI B16.5 Pipe Flanges and Flanged Fittings
UNSPSC Code 11101711(Non ferrous alloy)