ASTM B188-15(2023)

ASTM B188-15(2023) Standard Specification for Seamless Copper Bus Pipe and Tube

standard by ASTM International, 10/01/2023

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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:2 Copper
UNS No.2 Previously
Used
Designation Type of Copper       C10100  OFE Oxygen-free, electronic   C10200 OF Oxygen-free without residual deoxidants   C10300 - Oxygen-free, extra low phosphorus   C10400, C10500,
   C10700  OFS Oxygen-free, silver bearing   C11000  ETP Electrolytic tough pitch   C11300, C11400,
   C11600  STP Silver-bearing tough pitch   C12000  DLP Phosphorized, low residual phosphorus 1.2 Unless otherwise specified, any one of the above coppers may be furnished. 1.3 Units-The values 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. 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.

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