18.1 For purposes of determining compliance with the specified limits for requirements of the properties listed in the following table, 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 Calculated |
|
|
|
| 8199;Chemical composition | nearest unit in the last right-hand place of figures |
| 8199;Hardness |
|
| 8199;Electrical resistivity | nearest unit in the last right-hand place of figures |
| 8199;Electrical conductivity | |
| 8199;Tensile strength | nearest ksi (5 MPa) |
| 8199;Elongation: below 58201;% | nearest multiple of 0.58201;% |
| 8199;58201;% and over | nearest 18201;% |
1.1 This specification establishes the requirements for seamless copper bus pipe and tube intended for use as electrical conductors.
1.1.1 The product shall be made from one of the following coppers, as denoted in the ordering information:2
| Copper |
|