ASTM B447-12a(2021) PDF

1.1''This specification establishes the requirements for welded copper tube with a longitudinal seam free of filler metal produced from sheet or strip of the following coppers:

Copper UNS Nos.

Type of Copper

''

C10100

Oxygen-free electronic

C10200

Oxygen-free

C10300

Oxygen-free, extra low phosphorus

C10800

Oxygen-free, low phosphorus

C11000

Electrolytic tough pitch

C12000

Phosphorus deoxidized, low residual phosphorus

C12200

Phosphorus deoxidized, high residual phosphorus

C14200

Phosphorus deoxidized, arsenical

1.2''Unless otherwise specified in the contract or purchase order, product furnished of any listed copper, with the exception of copper C11000, shall be considered acceptable.

1.2.1''Copper C11000 welded tube shall not be used in applications where hydrogen embrittlement during heating is a concern.

1.3''Units'''The values stated in inch-pound units are to be regarded as standard except for grain size, which is given in SI units. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.4''The following hazard caveat pertains only to Section 13 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.