Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings


Importancia y uso:

12.1 For the purpose of determining compliance with the specified limits for requirements of the properties listed in the following table and for dimensional tolerances, 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 Observed or
Calculated Value

 

 

Chemical composition

 

Hardness

nearest unit in the last right-hand

Electrical resistivity

significant digit used in expressing the

Electrical conductivity

limiting value

 

 

Tensile strength

nearest ksi [5 MPa]

Yield strength

 

 

 

Elongation:

nearest 1 %

 

 

Grain size:

 

 Under 0.060 mm

nearest multiple of 0.005 mm

 0.060 mm and over

nearest 0.01 mm

Subcomité:

B05.02

Referida por:

B0301_B0301M-13R20, B0455_B0455M-20, B0139_B0139M-12R24, B0411_B0411M-14R19, B0098_B0098M-13R19, B0441-22, B0150_B0150M-19, B0151_B0151M-20, B0981_B0981M-19, B0927_B0927M-23, B0016_B0016M-24, B0950-23, B0974_B0974M-16R21, B0570-22, B0967_B0967M-18R23, B0021_B0021M-20, B0453_B0453M-19, B0196_B0196M-24, B0138_B0138M-11R24, B0371_B0371M-19, B0870-21, B0929-23, B0140_B0140M-22, B0124_B0124M-20, B0283_B0283M-24, B0187_B0187M-20

Volúmen:

02.01

Número ICS:

77.150.30 (Copper products)

Palabras clave:

bar, general requirements; bar, rod, shapes, general requirements; rod, general requirements; shape, general requirements;

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Norma
B249/B249M

Versión
23

Estatus
Active

Clasificación
Specification

Fecha aprobación
2023-10-01