C235 mae dur yn cyfateb i radd dur Japenese SS400 mewn cais, wedi'i rannu'n 4 gradd ansawdd: C235A, C235B, C235C a C235D
C235 Cyfansoddiad Cemegol Dur
| Gradd Dur | Gradd Ansawdd | C % (≤) | Si % (≤) | Mn (≤) | P (≤) | S (≤) |
| C235 | C235A | 0.22 | 0.35 | 1.4 | 0.045 | 0.05 |
| C235B | 0.2 | 0.35 | 1.4 | 0.045 | 0.045 | |
| C235C | 0.17 | 0.35 | 1.4 | 0.04 | 0.04 | |
| C235D | 0.17 | 0.35 | 1.4 | 0.035 | 0.035 | |
| Gradd Ansawdd: A<><><> | ||||||
