ASTM B42-98

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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Designation: B 42 – 98
Standard Specification for
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Seamless Copper Pipe, Standard Sizes
This standard is issued under the fixed designation B 42; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
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1. Scope * nation of Copper and Copper-Alloy Tubes
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E 478 Test Methods for Chemical Analysis of Copper
1.1 This specification covers seamless copper pipe in all
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Alloys
nominal or standard pipe sizes, both regular and extra-strong,
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E 527 Practice for Numbering Metals and Alloys (UNS)
suitable for use in plumbing, boiler feed lines, and for similar
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purposes.
3. Terminology
1.2 The values stated in inch-pound units are to be regarded
3.1 Definitions:
as the standard. The values given in parentheses are provided
3.1.1 lengths—straight pieces of the product.
for information purposes only.
3.1.1.1 standard—uniform lengths recommended in a Sim-
2. Referenced Documents plified Practice Recommendation or established as a Commer-
cial Standard.
2.1 The following documents of the issue in effect on date
3.1.2 tube, seamless—a tube produced with a continuous
of material purchase form a part of this specification to the
periphery in all stages of the operations.
extent referenced herein:
3.1.2.1 pipe—a seamless tube conforming to the particular
2.2 ASTM Standards:
dimensions commercially known as Nominal or Standard Pipe
B 153 Test Method for Expansion (Pin Test) of Copper and
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Sizes.
Copper-Alloy Pipe and Tubing
3.2 Definitions of Terms Specific to This Standard:
B 170 Specification for Oxygen-Free Electrolytic Copper—
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3.2.1 capable of—as used in this specification, the test need
Refinery Shapes
not be performed by the producer of the material. However,
B 601 Practice for Temper Designations for Copper and
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should subsequent testing by the purchaser establish that the
Copper Alloys—Wrought and Cast
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material does not meet these requirements the material shall be
E 8 Test Methods for Tension Testing of Metallic Materials
subject to rejection.
E 29 Practice for Using Significant Digits in Test Data to
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Determine Conformance with Specifications
4. Ordering Information
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E 53 Methods for Chemical Analysis of Copper
4.1 Orders for material under this specification shall include
E 55 Practice for Sampling Wrought Nonferrous Metals and
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Alloys for Determination of Chemical Composition
4.1.1 Type of copper, if required,
E 62 Test Methods for Chemical Analysis of Copper and
7 4.1.2 Temper (see 6.1),
Copper Alloys (Photometric Methods)
4.1.3 Pipe size, regular or extra-strong, (see 10.2),
E 243 Practice for Electromagnetic (Eddy-Current) Exami-
4.1.4 Length (see 10.3),
4.1.5 Total length of each size,
4.1.6 If material is required to meet ASME Boiler and
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This specification is under the jurisdiction of ASTM Committee B05 on Copper
Pressure Vessel Code,
and Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipe
4.1.7 Certification, if required (see 18.1),
and Tube.
4.1.8 Mill test report, if required (see 20.1),
Current edition approved Oct. 10, 1998. Published February 1999. Originally
published as B 42 – 22 T. Last previous edition B 42 – 96.
4.1.9 Hydrostatic test, if required, and
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For ASME Boiler and Pressure Vessel Code applications, see related Specifi-
4.1.10 Pneumatic test, if required.
cation SB-42 in Section II of that Code.
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4.2 In addition, when material is purchased for agencies of
The UNS system for copper and copper alloys (see Practice E 527) is a simple
expansion of the former standard designation system accomplished by the addition
the U.S. Government, it shall conform to the Supplementary
of a prefix “C” and a suffix “00.” The suffix can be used to accommodate
composition variations of the base alloy.
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Annual Book of ASTM Standards, Vol 02.01.
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Annual Book of ASTM Standards, Vol 03.01. Annual Book of ASTM Standards, Vol 03.03.
6 9
Annual Book of ASTM Standards, Vol 14.02. Annual Book of ASTM Standards, Vol 03.06.
7 10
Annual Book of ASTM Standards, Vol 03.05. Annual Book of ASTM Standards, Vol 01.01.
*A Summary of Changes section appears at the end of this standard.
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B42
TABLE 2 Tensile Requirements
Requirements as defined herein when specified in the contract
or purchase order. Tensile
C
Temper Designation Pipe Size Yield Strength,
Strength,
Nominal or min,
min,
A B
5. Chemical Composition Standard Former Standard, in. ksi (
...