Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM B188-09

Standard Specification for Seamless Copper Bus Pipe and Tube

Standard Specification for Seamless Copper Bus Pipe and Tube B0188-09 ASTM|B0188-09|en-US Standard Specification for Seamless Copper Bus Pipe and Tube Standard new BOS Vol. 02.01 Committee B05
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Significance and Use

For purposes of determining compliance with the specified limits for requirements of the properties listed in the following table, an observed value or a calculated value shall be rounded as indicated in accordance with the rounding method of Practice E29.


Property
Rounded Unit for Calculated
or Observed Value
Chemical compositionnearest unit in the last right-hand place of figures
of the specified limit
Hardness
Electrical resistivitynearest unit in the last right-hand place of figures
Electrical conductivity
Tensile strengthnearest ksi (5 MPa)
Elongation: below 5 %nearest multiple of 0.5 %
5 % and overnearest 1 %

Abstract

This specification covers seamless copper bus pipe and tube intended for use as electrical conductors. The material shall be manufactured by such hot-working, cold-working, and annealing processing as to produce a uniform, seamless wrought structure in the finished product. The method of manufacture shall be such that the finished material conforms to the specified temper properties. The material shall conform to the requirements for the copper UNS no. as specified. The material shall be furnished in either the O60 (soft anneal) or H80 (hard drawn) temper. The material shall conform to the maximum electrical resistivity requirements prescribed. The product shall conform to the prescribed mechanical property requirements. The product shall conform to the prescribed bend testing requirements. The test specimens of material designated as Copper UNS Nos. C10100, C10200, C10300, C10400, C10500, C10700, and C12000 shall be free of cuprous oxide. When tested, material designated as Copper UNS nos. C10100, C10200, C10300, C10400, C10500, C10700, and C12000 shall pass the embrittlement test. The product shall be passed through an eddy-current testing unit adjusted to provide information on the suitability of the product for the intended application.

Scope

1.1 This specification establishes the requirements for seamless copper bus pipe and tube intended for use as electrical conductors.

1.1.1 The product shall be made from one of the following coppers, as denoted in the ordering information:

Previously
CopperUsed Desig-
UNS No. nation Type of Copper
C10100 OFE Oxygen-free, electronic
C10200 OFOxygen-free without residual deoxidants
C10300 Oxygen-free, extra low phosphorus
C10400, C10500,
C10700
OFS Oxygen-free, silver bearing
C11000 ETPElectrolytic tough pitch
C11300, C11400,
C11600
STP Silver-bearing tough pitch
C12000 DLPPhosphorized, low residual phosphorus

1.2 Unless otherwise specified, any one of the above coppers may be furnished.

1.3 UnitsValues stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.

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Details
Book of Standards Volume: 02.01
Developed by Subcommittee: B05.04
Pages: 10
DOI: 10.1520/B0188-09
ICS Code: 77.150.30