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1.1 This specification establishes the requirements for condenser, evaporator, and heat exchanger U-bend tubes that are manufactured from seamless copper and copper alloy tube.
1.2 The following safety hazard caveat pertains only to the test methods described in this specification.
1.2.1 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 to determine the applicability of regulatory limitations prior to use.
1.3 Units—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 This specification is applicable to product 2 in. [50 mm] or less, inclusive, in diameter.
1.5 The product shall be produced from one of the following coppers or copper alloys, as specified in the ordering information:
|Copper Alloy||Previously Used|
|UNS No.||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|
|C19200||...||phosphorized, 1 % iron|
|C44300||Type B||admiralty metal|
|C44400||Type C||admiralty metal|
|C44500||Type D||admiralty metal|
|C68700||Type B||aluminum brass|
(modified for welding)
(modified for welding)
A Designations listed in Classification B 224
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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
ICS Number Code 23.040.15 (Non-ferrous metal pipes)
UNSPSC Code 40182000(Seamless copper tubes); 40101802(Heat exchangers)