ASTM A270/A270M-10

    Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing

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    1. Scope

    1.1 This specification covers grades of seamless, welded, and heavily cold worked welded austenitic and ferritic/austenitic stainless steel sanitary tubing intended for use in the dairy and food industry and having special surface finishes. Pharmaceutical quality may be requested, as a supplementary requirement.

    1.2 This specification covers tubes in sizes up to and including 12 in. [300 mm] in outside diameter.

    1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

    1.4 Optional supplementary requirements are provided, and when one or more of these are desired, each shall be so stated in the order.


    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

    A480/A480M Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip

    A923 Test Methods for Detecting Detrimental Intermetallic Phase in Duplex Austenitic/Ferritic Stainless Steels

    A967 Specification for Chemical Passivation Treatments for Stainless Steel Parts

    A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless Steel Tubes

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

    ASME Standard

    B46.1 Surface Texture (Surface Roughness, Waviness, and Lay) Available from American Society of Mechanical Engineers (ASME), ASME International Headquarters, Two Park Ave., New York, NY 10016-5990, http://www.asme.org.

    ASME Boiler and Pressure Vessel Code

    SectionVIII Pressure Vessels

    Other Standard

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


    ICS Code

    ICS Number Code 23.040.10 (Iron and steel pipes)

    UNSPSC Code

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


    DOI: 10.1520/A0270_A0270M-10

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