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ASTM B743-12(2020)

ASTM B743-12(2020) Standard Specification for Seamless Copper Tube in Coils

standard by ASTM International, 10/01/2020

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1.1This specification establishes the requirements for seamless copper tube in coils, suitable for use in refrigeration and air conditioning or other uses, such as oil lines and gasoline lines.

1.2Units-The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3The tube shall be produced of the following coppers. Unless otherwise specified, tubes made from any one of these coppers may be supplied:

Copper Alloy
UNS No.

Previously Used
Designation

Type of Copper

C10200

OF

Oxygen-free without residual deoxidantsA

C10300

...

Oxygen-free, extra low phosphorusA

C10800

...

Oxygen-free, low phosphorusA

C12000

DLP

Phosphorized, low residual phosphorus

C12200

DHP

Phosphorized, high residual phosphorus

1.4The following safety hazards caveat pertains to the test method portion, Section 17, 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.

1.5This 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.

 
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