ASTM A999/A999M-01

    Standard Specification for General Requirements for Alloy and Stainless Steel Pipe

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    1. Scope

    1.1 This specification covers a group of general requirements that, unless otherwise specified in an individual specification, shall apply to the ASTM product specifications noted below.

    1.2 In the case of conflict between a requirement of a product specification and a requirement of this specification, the product specification shall prevail. In the case of conflict between a requirement of the product specification or a requirement of this specification and a more stringent requirement of the purchase order, the purchase order shall prevail.

    Title of SpecificationASTM Designation
    Seamless and Welded Austenitic Stainless Steel PipeA 312/A 312M
    Seamless and Welded Steel Pipe for Low-Temperature ServiceA 333/A 333M
    Seamless Ferritic Alloy-Steel Pipe for High Temperature ServiceA 335/A 335M
    Electric-Fusion-Welded Austenitic Chromium-Nickel Alloy Steel Pipe for High-Temperature ServiceA 358/A 358M
    Carbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature Service A 369/A 369M
    Seamless Austenitic Steel Pipe for Use With High Temperature Central-Station Service A 376/A 376M
    Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature ServiceA 409/A 409M
    Welded, Unannealed Austenitic Stainless Steel Tubular ProductsA 778
    Seamless and Welded Ferritic/Austenitic Stainless Steel PipeA 790/A 790M
    Single- or Double-Welded Austenitic Stainless Steel PipeA 813/A 813M
    Cold-Worked Welded Austenitic Stainless Steel PipeA 814/A 814M
    Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler MetalA 928
    Spray-Formed Seamless Austenitic Stainless Steel PipeA 943
    Spray-Formed Seamless Ferritic/Austenitic Stainless Steel PipeA 949
    Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless and Welded Pipe A 954

    1.3 The values stated in either inch-pound units or SI units are to be regarded separately as standard. With 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. The inch-pound units shall apply unless the "M" designation (SI) of the product specification is specified in the order.

    Note 1--The dimensionless designator NPS (nominal pipe size) is used in this standard for such traditional terms as "nominal diameter," "size,"" nominal bore," and "nominal size".

    1.4 The following precautionary statement pertains only to the test method portion, Section 21, 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 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.

    ASTM Standards

    A312/A312M Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

    A333/A333M Specification for Seamless and Welded Steel Pipe for Low-Temperature Service and Other Applications with Required Notch Toughness

    A335/A335M Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service

    A358/A358M Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications

    A369/A369M Specification for Carbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature Service

    A370 Test Methods and Definitions for Mechanical Testing of Steel Products

    A376/A376M Specification for Seamless Austenitic Steel Pipe for High-Temperature Service

    A409/A409M Specification for Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service

    A426/A426M Specification for Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service

    A451/A451M Specification for Centrifugally Cast Austenitic Steel Pipe for High-Temperature Service

    A608/A608M Specification for Centrifugally Cast Iron-Chromium-Nickel High-Alloy Tubing for Pressure Application at High Temperatures

    A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment

    A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products

    A778 Specification for Welded, Unannealed Austenitic Stainless Steel Tubular Products

    A790/A790M Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe

    A813/A813M Specification for Single- or Double-Welded Austenitic Stainless Steel Pipe

    A814/A814M Specification for Cold-Worked Welded Austenitic Stainless Steel Pipe

    A872/A872M Specification for Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments

    A928/A928M Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal

    A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys

    A943/A943M Specification for Spray-Formed Seamless Austenitic Stainless Steel Pipes

    A949/A949M Specification for Spray-Formed Seamless Ferritic/Austenitic Stainless Steel Pipe

    A954 Specification for Austenitic Chromium-Nickel-Silicon Alloy Steel Seamless and Welded Pipe

    A994 Guide for Editorial Procedures and Form of Product Specifications for Steel, Stainless Steel, and Related Alloys

    A1058 Test Methods for Mechanical Testing of Steel Products--Metric

    D3951 Practice for Commercial Packaging

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    E213 Practice for Ultrasonic Testing of Metal Pipe and Tubing

    E273 Practice for Ultrasonic Testing of the Weld Zone of Welded Pipe and Tubing

    E309 Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation

    E426 Practice for Electromagnetic (Eddy-Current) Examination of Seamless and Welded Tubular Products, Titanium, Austenitic Stainless Steel and Similar Alloys

    E570 Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products


    ICS Code

    ICS Number Code 23.040.10 (Iron and steel pipes)

    UNSPSC Code

    UNSPSC Code 40171606(Industrial ferrous alloy pipe)


    DOI: 10.1520/A0999_A0999M-01

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