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This specification establishes the requirements for copper-nickel-silicon alloy rods and bars in straight lengths produced from Copper Alloy UNS No. C64700. The materials for manufacture shall be cast billets or ingots of such soundness and structure as to be suitable for processing by hot extrusion or rolling, and finished by cold working, annealing, cooling, straightening, and precipitation heat treatment to produce finished products that achieve the required properties. Products shall be tested and shall adhere to dimensional (diameter, length, straightness, and edge contour), mechanical (tensile and yield strength, and elongation), electrical resistivity, and chemical composition requirements.
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.
1.1 This specification establishes the requirements for copper-nickel-silicon alloy rod and bar produced from Copper Alloy UNS No. C64700 in straight lengths.
1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.3 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
B193 Test Method for Resistivity of Electrical Conductor Materials
B249/B249M Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
B601 Classification for Temper Designations for Copper and Copper AlloysWrought and Cast
B846 Terminology for Copper and Copper Alloys
B950 Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys
E8/E8M Test Methods for Tension Testing of Metallic Materials
E54 Test Methods for Chemical Analysis of Special Brasses and Bronzes
E478 Test Methods for Chemical Analysis of Copper Alloys
ICS Number Code 77.150.30 (Copper products)
UNSPSC Code 30102409(Copper rods); 30262200(Copper bars)
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ASTM B411 / B411M-14(2019), Standard Specification for Copper-Nickel-Silicon Alloy Rod and Bar, ASTM International, West Conshohocken, PA, 2019, www.astm.orgBack to Top