ASTM A632-98

    Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service

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    1. Scope

    1.1 This specification covers grades of stainless steel tubing in sizes under ½ down to 0.050 in. (12.7 to 1.27 mm) in outside diameter and wall thicknesses less than 0.065 in. down to 0.005 in. (1.65 to 0.13 mm) for general corrosion-resisting and low- or high-temperature service, as designated in Table 1.

    Note 1--The grades of austenitic stainless steel tubing furnished in accordance with this specification have been found suitable for low-temperature service down to -325oF (-200oC) where Charpy notched-bar impact values of 15 ft[dot]lbf (20 J), minimum, are required and these grades need not be impact tested.

    1.2 Optional supplementary requirements are provided and, when desired, shall be so stated in the order.

    1.3 The values stated in inch-pound units are to be regarded as the standard.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

    A380 Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems

    E165 Practice for Liquid Penetrant Examination for General Industry

    E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

    SAE Standard

    SAEJ1086 Practice for Numbering Metals and Alloys (UNS) Available from SAE International (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http://www.sae.org.


    ICS Code

    ICS Number Code 23.040.10 (Iron and steel pipes); 23.040.40 (Metal fittings)

    UNSPSC Code

    UNSPSC Code 40181900(Welded stainless steel tubes); 31351209(Welded stainless steel tubes); 40182400(Seamless stainless steel tubes )


    DOI: 10.1520/A0632-98

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