ASTM B75 Standard Specification rau seamless round, rectangular thiab square tooj liab raj haum rau kev siv engineering.
| Copper UNS No. | Hom tooj liab |
| C 10100 | Cov hluav taws xob tsis muaj oxygen |
| C 10200 | Oxygen-dawb tsis muaj residual deoxidants |
| C 10300 | Oxygen-dawb, ntxiv qis phosphorus |
| C 10800 | Oxygen-dawb, tsis muaj phosphorus |
| C 12000 | Phosphorus deoxidized, tsis tshua muaj phosphorus |
| C 12200 | Phosphorus deoxidized, siab residual phosphorus |
