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.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 This specification is the SI companion to Specification B75.

1.3 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.