Dim ond fel cynnyrch di-dor y cynhyrchir A106 ac mae ar gael mewn tair gradd; A, B, C. Nid oes unrhyw Mathau yn A106 oherwydd ei fod yn cael ei gynhyrchu fel cynnyrch di-dor yn unig. Daw A53 mewn dwy radd a thri math.
Siart Cyfansoddiad Cemegol:
| Safonol | Gradd | Proses | Cyfansoddiad Cemegol % | |||||||||
| C uchafswm | Mn* | P max | S max | Si min | Cr˟ max | Cu˟ max | Ni˟ max | Mo˟ max | V˟ max | |||
| ASTM A106-15 | B | SMLS | 0.30* | 0.29-1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| ASTM A106-15 | C | SMLS | 0.35* | 0.29-1.06 | 0.035 | 0.035 | 0.10 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
| ASTM A53-12 | B | SMLS | 0.30* | 1.20 | 0.05 | 0.045 | --- | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
Siart Priodweddau Mecanyddol:
| Safonol | Gradd | |||||
| Proses | Cryfder Tynnol (MPa) Isafswm | Cryfder Cynnyrch (MPa) Min | Elongation mewn 2" (%) Isafswm Hir. Prawf Llain | Elongation mewn 2" (%) Isafswm Traws. Prawf Llain | ||
| ASTM A106-15 | B | SMLS | 60,000 [415] | 35,000 [240] | 30 | 16.5 |
| ASTM A106-15 | C | SMLS | 70,000 [485] | 40,000 [275] | 30 | 16.5 |
| ASTM A53-12 | B | SMLS | 60,000 [415] | 35,000 [240] | 30 | Gwel Spec |
