ASTM-B743 2000

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

1.2 The tube will normally be made of the following coppers and unless otherwise specified, tubes made from any one of these coppers may be supplied:

Copper Alloy Previously Used UNS No. 2 Designation Type of Copper C10200 OF Oxygen-free without residual deoxidants A C10300 … Oxygen-free, extra low phosphorus A C10800 … Oxygen-free, low phosphorus A C12000 DLP Phosphorized, low residual phosphorus C12200 DHP Phosphorized, high residual phosphorus A See Classification B 224.

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.