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 18201;% |
| | |
| Grain size: | |
| 8199;Under 0.060 mm | nearest multiple of 0.005 mm |
| 8199;0.060 mm and over | nearest 0.01 mm |
1.1 This specification establishes the general requirements common to wrought copper and copper alloy rod, bar, shapes, and forgings which shall apply to Specifications B16/B16M, B21/B21M<......
ASTM B249/B249M-16 history
- 2023 ASTM B249/B249M-23 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2022 ASTM B249/B249M-22 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2020 ASTM B249/B249M-20 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2019 ASTM B249/B249M-19a Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2019 ASTM B249/B249M-19 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2018 ASTM B249/B249M-18a Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2018 ASTM B249/B249M-18 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2017 ASTM B249/B249M-17 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2016 ASTM B249/B249M-16 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2015 ASTM B249/B249M-15a Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2015 ASTM B249/B249M-15 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2014 ASTM B249/B249M-14 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2012 ASTM B249/B249M-12 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2011 ASTM B249/B249M-11 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2010 ASTM B249/B249M-10 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2009 ASTM B249/B249M-09 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2006 ASTM B249/B249M-06 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2004 ASTM B249/B249M-04e1 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2004 ASTM B249/B249M-04 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2002 ASTM B249/B249M-02 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2001 ASTM B249/B249M-01 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
- 2000 ASTM B249/B249M-00 Standard Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings