Standards

ASTM B49 - 10


ASTM B49 - 10 Standard Specification for Copper Rod Drawing Stock for Electrical Purposes


Active Standard ASTM B49 Developed by Subcommittee: B05.07 |Book of Standards Volume: 02.01

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ASTM B49

Abstract

This specification covers the requirements for rod drawing stock produced from electrolytic tough-pitch or oxygen-free coppers and is suitable for further fabrication into electrical conductors. The rod shall be fabricated from copper of such quality and purity. Copper of special qualities, forms, or types, as agreed upon between the manufacturer and the purchaser and that will conform to the requirements prescribed in this specification may also be used. The specimen shall have the following chemical composition: tellurium, selenium, bismuth, antimony, arsenic, tin, lead, iron, nickel, sulfur, silver, oxygen, cadmium, phosphorus, zinc, and manganese. Embrittlement test shall be performed on the specimen to reflect propensity towards hydrogen embrittlement and shall be performed only on oxygen-free copper. The rod shall be free of defects, but blemishes of a nature that do not interfere with the intended application are acceptable.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers the requirements for rod drawing stock in diameters from ¼ to 13/8 in. (6.4 to 35 mm) produced from electrolytic tough-pitch or oxygen-free coppers and are suitable for further fabrication into electrical conductors.

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

1.3 The following safety hazards caveat pertains only to Section 13. 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 and health practices and determine the applicability of regulatory limitations prior to use.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

B5 Specification for High Conductivity Tough-Pitch Copper Refinery Shapes

B115 Specification for Electrolytic Copper Cathode

B170 Specification for Oxygen-Free Electrolytic Copper--Refinery Shapes

B193 Test Method for Resistivity of Electrical Conductor Materials

B224 Classification of Coppers

B577 Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper

B846 Terminology for Copper and Copper Alloys

E8 Test Methods for Tension Testing of Metallic Materials

E18 Test Methods for Rockwell Hardness of Metallic Materials

E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

E53 Test Method for Determination of Copper in Unalloyed Copper by Gravimetry

E478 Test Methods for Chemical Analysis of Copper Alloys

E1606 Practice for Electromagnetic (Eddy-Current) Examination of Copper Redraw Rod for Electrical Purposes

E2575 Test Method for Determination of Oxygen in Copper and Copper Alloys

Other Document

NBSHandbook100 Copper Wire Tables Available from National Technical Information Service (NTIS), 5285 Port Royal Rd., Springfield, VA 22161, http://www.ntis.gov.



Keywords

cathode; copper redraw rod; electrical conductors; oxygen-free copper; shaving; tough-pitch copper: UNS C11000 (electrolytic tough pitch coper (ETP)); AACSR (aluminum-alloy conductors, steel reinforced); Copper electrical conductors--specifications; Copper rod/bar/shapes--specifications; Redraw rod; UNS C11040; UNS C10100 (oxygen-free copper); UNS C10200 (oxygen-free copper (OF)) ;



ICS Code

ICS Number Code 29.050 (Superconductivity and conducting materials)



DOI: 10.1520/B0049-10

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