ASTM B395 / B395M - 13

    Standard Specification for U-Bend Seamless Copper and Copper Alloy Heat Exchanger and Condenser Tubes

    Active Standard ASTM B395 / B395M | Developed by Subcommittee: B05.04

    Book of Standards Volume: 02.01


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    Abstract

    This specification establishes the requirements for condenser, evaporator, and heat exchanger U-bends that are manufactured from seamless copper and copper alloy tube. The material of manufacture shall be of such quality and purity that the finished product shall have the properties and characteristics specified. The material shall conform to the chemical composition requirements specified. Tensile test, expansion test, flattening test, mercurous nitrate test or ammonia vapor test, nondestructive examination, hydrostatic test, and pneumatic test shall be made to conform to the requirements specified.

    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.

    Significance and Use

    18.1 For purpose of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.


          Property

    Rounded Unit for Observed or
    Calculated Value

     

      Chemical composition

       nearest unit in the last

     

         right-hand significant
         digit used in expressing
         the limiting value

      Tensile strength

       nearest ksi [nearest 5 MPa]

      Elongation

       nearest 1 %

      Expansion

       nearest 1 %

      Grain size

       nearest multiple of 0.005 mm


    1. Scope

    1.1 This specification2 establishes the requirements for condenser, evaporator, and heat exchanger U-bend tubes that are manufactured from seamless copper and copper alloy tube.

    1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, SI units are shown in brackets. 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.

    1.3 This specification is applicable to product 2 in. [50 mm] or less, inclusive, in diameter.

    1.4 The product shall be produced from one of the following coppers or copper alloys, as specified in the ordering information:

    Copper or
    Copper Alloy
    UNS No.

    Previously Used
    Designation

    Type of Metal

     

     

     

    C10200

    OFA

    oxygen-free without residual deoxidants

    C10300

    ...

    oxygen-free, extra low phosphorus

    C10800

    ...

    oxygen-free, low phosphorus

    C12000

    DLPA

    phosphorized, low residual phosphorus

    C12200

    DHPA

    phosphorized, high residual phosphorus

    C14200

    DPAA

    phosphorized, arsenical

    C19200

    ...

    phosphorized, 1 % iron

    C23000

    ...

    red brass

    C44300

    Type B

    admiralty metal

    C44400

    Type C

    admiralty metal

    C44500

    Type D

    admiralty metal

    C60800

    ...

    aluminum bronze

    C68700

    Type B

    aluminum brass

    C70400

    ...

    95-5 copper-nickel

    C70600

    ...

    90-10 copper-nickel

    C70620

    ...

    90-10 copper-nickel-
    (modified for welding)

    C71000

    ...

    80-20 copper-nickel

    C71500

    ...

    70-30 copper-nickel

    C71520

    ...

    70-30 copper-nickel-
    (modified for welding)

    C72200

    ...

    copper-nickel

    A Designations listed in Classification B224.

    1.5 The following safety hazard caveat pertains only to the test methods described in this specification.

    1.5.1 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

    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

    B224 Classification of Coppers

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

    B846 Terminology for Copper and Copper Alloys

    B858 Test Method for Ammonia Vapor Test for Determining Susceptibility to Stress Corrosion Cracking in Copper Alloys

    B900 Practice for Packaging of Copper and Copper Alloy Mill Products for U.S. Government Agencies

    B968/B968M Test Method for Flattening of Copper and Copper-Alloy Pipe and Tube

    E3 Guide for Preparation of Metallographic Specimens

    E8/E8M Test Methods for Tension Testing 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

    E118 Test Methods for Chemical Analysis of Copper-Chromium Alloys

    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

    E478 Test Methods for Chemical Analysis of Copper Alloys

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

    Other Standards

    ASMEBoilerandPressur


    ICS Code

    ICS Number Code 23.040.15 (Non-ferrous metal pipes)

    UNSPSC Code

    UNSPSC Code 40182000(Seamless copper tubes); 40101802(Heat exchangers)


    DOI: 10.1520/B0395_B0395M

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