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  • ASTM
    B956-07e1 Standard Specification for Welded Copper and Copper-Alloy Condenser and Heat Exchanger Tubes with Integral Fins
    Edition: 2007
    $93.60
    Unlimited Users per year

Description of ASTM-B956 2007

ASTM B956-07e1

Historical Standard: ASTM B956-07e1 Standard Specification for Welded Copper and Copper-Alloy Condenser and Heat Exchanger Tubes with Integral Fins

SUPERSEDED (see Active link, below)




ASTM B956

1. Scope

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. Within the text, the SI units are shown in brackets. 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 nonconformance with the specification.

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.



Copper or Copper Alloy
UNS No.
Type of Metal
C12000 A DLP Phosphorized, low residual phosphorus
C12200 A DHP Phosphorized, high residual phosphorus
C19200 Phosphorized, 1 % iron
C23000 Red Brass
C44300 Admiralty, arsenical
C44400 Admiralty, antimonial
C44500 Admiralty, phosphorized
C68700 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 Copper UNS Nos. C12000, and C12200 are classified in Classification B 224 .

Note 1Designations listed in Classification B 224 .

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.


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

B543 Specification for Welded Copper and Copper-Alloy Heat Exchanger Tube

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

E8 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

E54 Test Methods for Chemical Analysis of Special Brasses and Bronzes

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

E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)


Keywords

condenser; copper; copper alloys; heat exchanger; integral fins; welded tube; UNS No. C12000; UNS No. C12200; UNS No. C19200; UNS No. C19400; UNS No. C23000; UNS No. C44300; UNS No. C44400; UNS No. C44500; UNS No. C68700; UNS No. C70400; UNS No. C70600; UNS No. C70620; UNS No. C71000; UNS No. C71500; UNS No. C71520; UNS No. C72200; Copper; Copper alloy; Condenser and heat exchanger systems--copper/copper alloy; Integral fins;


ICS Code

ICS Number Code 27.060.30 (Boilers and heat exchangers)


DOI: 10.1520/B0956-07E01

ASTM International is a member of CrossRef.


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