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1.1 This specification establishes the requirements for heat exchanger tubes manufactured from forge-welded copper and copper alloy tubing in straight lengths on which the external or internal surface, or both, has been modified by cold forming process to produce an integral enhanced surface for improved heat transfer.
1.2 Units—The values stated in either inch-pounds units or SI units are to be regarded separately as the standard. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems could result in non-conformance with the specification.
1.2.1 Within the text, the SI units are shown in brackets.
1.3 The tubes are typically used in surface condensers, evaporators, and heat exchangers.
1.4 The product shall be produced of the following coppers or copper alloys, as specified in the ordering information.
1.5 The following safety hazard caveat pertains only to the test methods described in 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.
ICS Number Code 27.060.30 (Boilers and heat exchangers)
UNSPSC Code 40101802(Heat exchangers); 40181500(Welded copper tubes)
ASTM B956 / B956M-10e1, Standard Specification for Welded Copper and Copper-Alloy Condenser and Heat Exchanger Tubes with Integral Fins, ASTM International, West Conshohocken, PA, 2010, www.astm.orgBack to Top