ASTM B643-00e1

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Designation: B 643 – 00
Standard Specification for
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Copper-Beryllium Alloy Seamless Tube
This standard is issued under the fixed designation B 643; 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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e NOTE—Referenced Documents were editorially corrected in November 2003.
1. Scope* E 29 Practice for Using Significant Digits in Test Data to
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Determine Conformance with Specifications
1.1 This specification establishes requirements for copper-
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E 112 Test Methods for Determining Average Grain Size
beryllium alloy seamless tube in straight lengths. CopperAlloy
E 255 Practice for Sampling Copper and CopperAlloys for
UNS C17200 will be the alloy furnished whenever Specifica-
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the Determination of Chemical Composition
tion B 643 is specified.
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E 527 Practice for Numbering Metals and Alloys (UNS)
1.2 Units—The values given in parentheses are mathemati-
cal conversions to SI units, which are provided for information
3. General Requirements
only and are not considered standard.
3.1 ThefollowingsectionsofSpecificationB 251(asnoted)
1.3 The following safety hazard caveat pertains only to the
constitute a part of this specification:
test methods described in this specification.
3.1.1 Workmanship, Finish and Appearance,
1.4 This standard does not purport to address all of the
3.1.2 Significance of Numerical limits,
safety concerns, if any, associated with its use. It is the
3.1.3 Inspection,
responsibility of the user of this standard to establish appro-
3.1.4 Rejection and Rehearing,
priate safety and health practices and determine the applica-
3.1.5 Certification,
bility of regulatory limitations prior to use.
3.1.6 Mill Test Report, and
2. Referenced Documents 3.1.7 Packaging and Package Marking.
2.1 The following documents of the issue in effect on date
4. Terminology
of material purchase form a part of this specification to the
4.1 Definitions—For terms relating to copper and copper
extent referenced herein:
alloys, refer to Terminology B 846.
2.2 ASTM Standards:
4.2 Definitions of Terms Specific to This Standard:
B 194 Specification for Copper-Beryllium Alloy Plate
2 4.2.1 average diameter (for round tubes only), n—the
Sheet, Strip and Rolled Bar
average of the maximum and minimum outside diameters, or
B 251 Specification for General Requirements for Wrought
2 maximum and minimum inside diameters, whichever is appli-
Seamless Copper and Copper-Alloy Tube
cable, as determined at any one cross section of the tube.
B 601 Practice for Temper Designations for Copper and
2 4.2.2 lengths, n—straight pieces of the product.
Copper Alloys—Wrought and Cast
2 4.2.2.1 ends, n—straight pieces, shorter than the nominal
B 846 Terminology for Copper and Copper Alloys
3 length, left over after cutting the product into mill lengths,
E 3 Practice for Preparation of Metallographic Specimens
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stock lengths, or specific lengths.They are subject to minimum
E 8 TestMethodsforTensionTestingofMetallicMaterials
length and maximum weight requirements.
E 18 Test Methods for Rockwell Hardness and Rockwell
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4.2.2.2 specific, adj—straight lengths that are uniform in
Superficial Hardness of Metallic Materials
length, as specified, and subject to established length toler-
ances.
1 4.2.2.3 specific with ends, adj—specific lengths, including
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
and CopperAlloys and is the direct responsibility of Subcommittee B05.04 on Pipe ends.
and Tube.
Current edition approved March 10, 2000. Published May 2000. Originally
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published as B 643 – 78. Last previous edition B 643 – 94. Annual Book of ASTM Standards, Vol 14.02.
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Annual Book of ASTM Standards, Vol 02.01. Annual Book of ASTM Standards, Vol 03.05.
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Annual Book of ASTM Standards, Vol 03.01. Annual Book of ASTM Standards, Vol 01.01.
*ASummary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B643–00
TABLE 1 Chemical Requirements
4.2.2.4 stock, n—straightlengthsthataremillcutandstored
in advance of orders. They are usually 8, 10, 12, or 20 ft (2.44, Composition, %
Element
3.05, 3.66, or 6.10 m) and subject to established length
Copper Alloy UNS No. C17200
tolerances.
Beryllium 1.80–2.00
4.2.2.5 stock with ends, adj—stock lengths, including ends. Additive elements:
Nickel + cobalt, min 0.20
4.2.3 tube, n—a hollow product of round or any other cross
Nickel + cobalt + iron, max 0.6
sect
...