This specification establishes the requirements for bright annealed seamless copper tube suitable for use in refrigeration, oil lines, gasoline lines, and so forth, where tube with an interior surface essentially free from scale and dirt is required.Values stated in inch-pound units are the standard except for grain size, which is given in SI units. This specification is the companion to SI Specification B 68M; therefore, no SI equivalents are presented in this specification.
| UNS Designation | Copper,B min | CopperB + phosphorus, min | Phosphorus |
|---|---|---|---|
| C10200A | 99.95 | - | - |
| C10300 | - | 99.95 | 0.001 - 0.005 |
| C10800 | - | 0.005 - 0.012 | |
| C12000 | 99.20 | - | 0.004 - 0.012 |
| C12200 | 99.9 | - | 0.015 - 0.040 |