ASTM B743-00

    Standard Specification for Seamless Copper Tube in Coils

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    1. Scope

    1.1 This specification covers seamless copper tube in coils, suitable for use in refrigeration and air conditioning or such other uses as oil lines, gasoline lines, etc.

    1.2 The tube will normally be made of the following coppers and unless otherwise specified, tubes made from any one of these coppers may be supplied:

    Copper Alloy Previously Used UNS No. 2 Designation Type of Copper C10200 OF Oxygen-free without residual deoxidants A C10300 ... Oxygen-free, extra low phosphorus A C10800 ... Oxygen-free, low phosphorus A C12000 DLP Phosphorized, low residual phosphorus C12200 DHP Phosphorized, high residual phosphorus A See Classification B 224.

    1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.


    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

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

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

    B193 Test Method for Resistivity of Electrical Conductor Materials

    B224 Classification of Coppers

    B251 Specification for General Requirements for Wrought Seamless Copper and Copper-Alloy Tube

    B577 Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper

    B601 Classification for Temper Designations for Copper and Copper Alloys--Wrought and Cast

    B846 Terminology for Copper and Copper Alloys

    E2 Methods of Preparation of Micrographs of Metals and Alloys (Including Recommended Practice for Photography As Applied to Metallography); Replaced by E 883

    E3 Guide for Preparation of Metallographic Specimens

    E8/E8M 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

    E243 Practice for Electromagnetic (Eddy-Current) Examination of Copper and Copper-Alloy Tubes

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

    E2575 Test Method for Determination of Oxygen in Copper and Copper Alloys


    ICS Code

    ICS Number Code 77.150.30 (Copper products)

    UNSPSC Code

    UNSPSC Code 40182000(Seamless copper tubes)


    DOI: 10.1520/B0743-00

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