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Standard ASTM B187/B187M-20 1.6.2020 preview

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ASTM B187/B187M-20

Standard Specification for Copper, Bus Bar, Rod, and Shapes and General Purpose Rod, Bar, and Shapes

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STANDARD published on 1.6.2020

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The information about the standard:

Designation standards: ASTM B187/B187M-20
Publication date standards: 1.6.2020
SKU: NS-997530
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Conducting materials Copper products

Annotation of standard text ASTM B187/B187M-20 :

This specification establishes the requirements for copper conductor bars, rods, and shapes for both electrical (bus) and general applications. Products shall be produced in tempers O60 (soft annealed), and H04 (hard). Products shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional (mass, diameter, thickness, width, shape, specified and stock lengths, straightness, edge contour, and radius of edges or corners), mechanical (tensile, yield and bend strengths, elongation, Rockwell hardness, and embrittlement), electrical resistivity, and chemical composition requirements.

Keywords:

bar, bus bar, copper, electrical conductors, embrittlement test, rod, shapes, UNS No. C10100, UNS No. C10200, UNS No. C10300, UNS No. C10400, UNS No. C10500, UNS No. C10700, UNS No. C10920, UNS No. C10930, UNS No. C10940, UNS No. C11000, UNS No. C11020, UNS No. C11300, UNS No. C11400, UNS No. C11500, UNS No. C11600, UNS No. C10800, UNS No. C12000, UNS No. C12200,, ICS Number Code 29.050 (Superconductivity and conducting materials), 77.150.30 (Copper products)

Additional information

1. Scope

1.1 This specification2 establishes the requirements for copper conductor bar, rod, and shapes for electrical (bus) applications and rod, bar, and shapes for general applications.

1.1.1 The products for electrical (bus) applications shall be made from the following coppers:3

Copper UNS No.3

Reference Designation

C10100

OFE

C10200

C10300

OFXLP

C10400, C10500, C10700

OFS

C10920, C10930, C10940

—

C11000

ETP

C11020

FRHC

C11300, C11400, C11500, C11600

STP

C12000

DLP

1.1.1.1 The product may be furnished from any copper listed unless otherwise specified in the contract or purchase order.

1.2 The product for general applications shall be made from any of the coppers in 1.1.1 or the following coppers:

Copper UNS No.3

Reference Designation

C10800

OFLP

C12200

DHP

1.2.1 The product may be furnished from any copper listed above unless otherwise specified in the contract or purchase order. Other coppers may be used upon agreement between the supplier and purchaser.

1.3 Units—The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

Note 1: Material for hot forging will be found in Specification B124/B124M.

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.

2. Referenced Documents

B170-99(2020)	Standard Specification for Oxygen-Free Electrolytic Copper´Refinery Shapes
B124/B124M-20	Standard Specification for Copper and Copper Alloy Forging Rod, Bar, and Shapes
B900-16(2022)	Standard Practice for Packaging of Copper and Copper Alloy Mill Products for U.S. Government Agencies
B846-19a	Standard Terminology for Copper and Copper Alloys (Includes all amendments and changes 8/8/2019).
B601-18a	Standard Classification for Temper Designations for Copper and Copper Alloys´Wrought and Cast (Includes all amendments and changes 10/24/2018).
B577-19	Standard Test Methods for Detection of Cuprous Oxide (Hydrogen Embrittlement Susceptibility) in Copper
E53-07	Standard Test Method for Determination of Copper in Unalloyed Copper by Gravimetry
B249/B249M-23	Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
B216-22	Standard Specification for Tough-Pitch Fire-Refined Copper—Refinery Shapes
B224-16(2022)	Standard Classification of Coppers
E478-08(2017)	Standard Test Methods for Chemical Analysis of Copper Alloys
E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E2575-19	Standard Test Method for Determination of Oxygen in Copper and Copper Alloys by Inert Gas Fusion
E255-23	Standard Practice for Sampling Copper and Copper Alloys for the Determination of Chemical Composition
E1004-23	Standard Test Method for Determining Electrical Conductivity Using the Electromagnetic (Eddy Current) Method
E62-89(1996)	Standard Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods)
B193-20	Standard Test Method for Resistivity of Electrical Conductor Materials

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