
| SiO2 | MnO | CaF2 | Al2O3 | MgO | CaO | R2O | FeO | S | p |
| 44-48 | 22-26 | 3-6 | ≦4 | 16-20 | ≦3 | ≦1 | ≦1.5 | ≦0.06 | ≦0.08 |
| Test Item | Tensile Strength Rm(MPa) | Yield Strength Reh(MPa) | Elongation (A%) | AKV(J) |
| -20℃ | ||||
| Guaranteed Value | 480-660 | ≥400 | ≥22 | ≥27 |
| SiO2 | MnO | CaF2 | Al2O3 | MgO | CaO | R2O | FeO | S | p |
| 44-48 | 22-26 | 3-6 | ≦4 | 16-20 | ≦3 | ≦1 | ≦1.5 | ≦0.06 | ≦0.08 |
| Test Item | Tensile Strength Rm(MPa) | Yield Strength Reh(MPa) | Elongation (A%) | AKV(J) |
| -20℃ | ||||
| Guaranteed Value | 480-660 | ≥400 | ≥22 | ≥27 |