1.1 This specification establishes the requirements for seamless round, rectangular, and square copper tube suitable for general engineering applications.
1.1.1 Tubes made from any of the following Copper UNS No. designations shall be supplied unless otherwise specified in the contract or purchase order:
| Copper UNS No. | Type of Copper |
| C10100 | Oxygen-free electronic |
| C10200 | Oxygen-free without residual deoxidants |
| C10300 | Oxygen-free, extra low phosphorus |
| C10800 | Oxygen-free, low phosphorus |
| C12000 | Phosphorus deoxidized, low residual phosphorus |
| C12200 | Phosphorus deoxidized, high residual phosphorus |
1.2 The values stated in inch-pound units are the standard except for grain size values which are given in SI units.
1.3 This specification is the companion to SI Specification B 75M; therefore no SI equivalents are presented in this specification.
1.4 The following hazard statement pertains only to the test method described in Sections 20.5.2.1, 21.2.9, and 21.2.10 of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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