Tiwb Alloy Copr Pres C44300 C68700 ASTM B111
| Alloy Copr neu Gopr UNS RHIF. | Disgrifiad |
| C44300 | Metelau Morlys, B, C, a D. |
| C68700 | Pres Alwminiwm, B. |
| C70600 | 90-10 Copr-Nicel |
| C71500 | 70-30 Copr-Nicel |
Safon: ASTM B111 / B111M.
Disgrifiad Enw: Tiwbiau copr ASTM B111, tiwbiau copr C44300, tiwbiau pres Morlys C44300, pibellau pres morlys C44300, tiwbiau copr C68700, tiwbiau pres alwminiwm C68700, pibellau pres alwminiwm C68700, tiwbiau copr C70600, pibellau pres C70600, tiwbiau copr C70400, tiwbiau pres a phibellau C70400, tiwbiau pres a phibellau C70400 , C70400 tiwbiau a phibellau copr-nicel. Tiwbiau copr C71500, tiwbiau a phibellau pres C71500, tiwbiau a phibellau Copr-Nickel, tiwbiau copr C71640, tiwbiau a phibellau pres C71640, tiwbiau a phibellau copr-nicel C71640.
Maint: 6mm i 100 mm.
Trwch wal: 0.5 i 25mm.
Siâp: Rownd.
Hyd: Hyd ar hap sengl / Hyd ar hap dwbl neu fel cais gwirioneddol y cwsmer.
Gradd: C44300, C68700, C70400, C70600, C71500, C71640.
Cyfansoddiad Cemegol:
| Dynodiad | Cyfansoddiad Cemegol% | ||||||||
| Cu | Sn | Al | Fel | Ni | Fe | Mn | Pb max. | Zn | |
| C44300 | 70.0-73.0 | 0.9-1.2 | - | 0.02-0.06 | - | 0.06 mwyaf | - | 0.07 | Rem |
| C68700 | 76.0-79.0 | - | 1.8-2.5 | 0.02-0.06 | - | 0.06 mwyaf | - | 0.07 | Rem |
| C70400 | Rem | - | - | - | 4.8-6.2 | 1.3-1.7 | 0.3-0.8 | 0.05 | 1.0max |
| C70600 | Rem | - | - | - | 9.0-11.0 | 1.0-1.8 | 1.0max | 0.05 | 1.0max |
| C71500 | Rem | - | - | - | 29.0-33.0 | 0.4-1.0 | 1.0max | 0.05 | 1.0max |
| C71640 | Rem | - | - | - | 29.0-32.0 | 1.7-2.3 | 1.5-2.5 | 0.05 | 1.0max |
