ASTM B251M - 10

    Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube [Metric]

    Active Standard ASTM B251M | Developed by Subcommittee: B05.04

    Book of Standards Volume: 02.01


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    Abstract

    This specification covers a group of general requirements for wrought seamless copper and copper alloy tube. The material shall be produced by either hot or cold working operations, or both, and shall be finished, unless otherwise specified, by such cold working and annealing or heat treatment as necessary to meet the properties specified. Dimensional requirements such as wall thickness are specified. The sampling requirements including lot size, portion size, and selection of sample pieces are given. Requirements for chemical analysis, and tension, microscopical examination, Rockwell hardness, grain size, expansion (pin), mercurous nitrate, and electrical resistivity tests are detailed. The material shall conform to the prescribed chemical composition, hardness, electrical resistivity, tensile strength, yield strength, elongation, and grain size.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 This specification covers a group of general requirements common to several wrought product specifications. Unless otherwise specified in the purchase order, or in an individual specification, these general requirements shall apply to copper and copper-alloy tube supplied under Specifications B68, B75, B135, and B466/B466M.

    Note 1—This specification is the SI companion to B251.


    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

    B68 Specification for Seamless Copper Tube, Bright Annealed

    B75 Specification for Seamless Copper Tube

    B135 Specification for Seamless Brass Tube

    B153 Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing

    B154 Test Method for Mercurous Nitrate Test for Copper Alloys

    B170 Specification for Oxygen-Free Electrolytic Copper--Refinery Shapes

    B193 Test Method for Resistivity of Electrical Conductor Materials

    B428 Test Method for Angle of Twist in Rectangular and Square Copper and Copper Alloy Tube

    B466/B466M Specification for Seamless Copper-Nickel Pipe and Tube

    B643 Specification for Copper-Beryllium Alloy Seamless Tube

    E3 Guide for Preparation of Metallographic Specimens

    E8 Test Methods for Tension Testing of Metallic Materials

    E18 Test Methods for Rockwell Hardness of Metallic Materials

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

    E53 Test Method for Determination of Copper in Unalloyed Copper by Gravimetry

    E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)

    E112 Test Methods for Determining Average Grain Size

    E255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition

    E478 Test Methods for Chemical Analysis of Copper Alloys


    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    UNSPSC Code

    UNSPSC Code 40182000(Seamless copper tubes)


    Referencing This Standard

    DOI: 10.1520/B0251M-10

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM B251M-10, Standard Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube [Metric], ASTM International, West Conshohocken, PA, 2010, www.astm.org

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