1.1 This specification2 establishes the requirements for seamless copper pipe in all nominal or standard pipe sizes, both regular and extra-strong, suitable for use in plumbing, boiler feed lines, and for similar purposes.3
1.2 Units—The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.
1.3 The following safety hazard caveat pertains only to the test methods described in this specification.
1.3.1 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
ASTM B42-20 Referenced Document
ASTM B153 Standard Test Method for Expansion (Pin Test) of Copper and Copper-Alloy Pipe and Tubing
ASTM B170 Standard Specification for Oxygen-Free Electrolytic Copper Refinery Shapes*, 2024-04-21 Update
ASTM B577 Standard Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper
ASTM B601 Standard Classification for Temper Designations for Copper and Copper Alloys-Wrought and Cast
ASTM B846 Standard Terminology for Copper and Copper Alloys
ASTM B968/B968M Standard Test Method for Flattening of Copper and Copper-Alloy Pipe and Tube*, 2022-05-01 Update
ASTM E243 Standard Practice for Electromagnetic (Eddy-Current) Examination of Copper and Copper-Alloy Tubes
ASTM E255 Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
ASTM E29 Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ASTM E478 Standard Test Methods for Chemical Analysis of Copper Alloys
ASTM E527 Standard Practice for Numbering Metals and Alloys (UNS)
ASTM E53 Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
ASTM E62 Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
ASTM E8/E8M Standard Test Methods for Tension Testing of Metallic Materials*, 2024-01-01 Update
ASTM B42-20 history
2020ASTM B42-20 Standard Specification for Seamless Copper Pipe, Standard Sizes
2015ASTM B42-15a Standard Specification for Seamless Copper Pipe, Standard Sizes
2015ASTM B42-15 Standard Specification for Seamless Copper Pipe, Standard Sizes
2010ASTM B42-10 Standard Specification for Seamless Copper Pipe, Standard Sizes
2002ASTM B42-02e1 Standard Specification for Seamless Copper Pipe, Standard Sizes
2002ASTM B42-02 Standard Specification for Seamless Copper Pipe, Standard Sizes
1998ASTM B42-98 Standard Specification for Seamless Copper Pipe, Standard Sizes
1996ASTM B42-96 Standard Specification for Seamless Copper Pipe, Standard Sizes
1993ASTM B42-93 Standard Specification for Seamless Copper Pipe, Standard Sizes