Mae dur Q235 yn gyfwerth â gradd dur Japenese SS400 wrth ei gymhwyso, wedi'i rannu'n 4 gradd ansawdd: Q235A, Q235B, Q235C a Q235D.
Q235 Priodweddau Mecanyddol Dur
| Gradd | Cryfder Cynnyrch | Cryfder tynnol | Elongation% |
| Q235 Dur | 235 Mpa | 370-500 Mpa | 26 |
| Sampl Prawf: bar dur 16mm, (Mpa=N / mm2) | |||
1 MPa=1 N / mm2
| Cryfder Cynnyrch (MPa, ≥); Trwch neu Dia. (ch) mm | Cryfder tynnol (MPa) | ||||||
| Gradd Dur | Ansawdd | d≤16 | 16< d=""> | 40< d=""> | 100< d=""> | 150< d=""> | d≤100 |
| Q235 | Q235A | 235 | 225 | 215 | 195 | 185 | 370-500 |
| Q235B | |||||||
| Q235C | |||||||
| Q235D | |||||||
Lleiafswm Elongation
| Elongation (≥%); Trwch neu Dia. (ch) mm | |||||
| Gradd Dur | d≤40 | 40< d=""> | 60< d=""> | 100< d=""> | 150< d=""> |
| Q235 | 26 | 25 | 24 | 22 | 21 |
Isafswm Effaith Charpy
| Effaith Charpy (V notch) | |||
| Gradd Dur | Ansawdd | Temp. ℃ | Egni effaith (hydredol, ≥ J) |
| Q235 | Q235A | – | – |
| Q235B | +20 | 27 | |
| Q235C | 0 | ||
| Q235D | -20 | ||
