Open Die Forging Marine Intermediate Drive Shaft
Technical Specification:
Material: 35# ,45#, 40Cr, 42CrMo, etc.
Size: OD.200-1000 mm
Process: EAF + LF + VD + Forged + Heat Treatment (optional)
Heat treatment: Normalized / Annealed / Quenched / tempered
| Chemical Component(%) | |||||||||
| C | Si | Mn | Mo | Cr | S | P | Ni | Cu | Other |
| 0.32-0.40 | 0.17-0.37 | 0.50-0.80 | / | ≤0.25 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | / |
| Mechanical Properties at Nomal Temperature | |||||||
| Nominal Thickness (mm) | Heat Treatment Condition | Tempering Temperature (°C) | o b (MPa) | o s (MPa) | o 5(%) | Akv (J) | HB |
| ≤100 | Normalizing | / | 510-670 | ≥265 | ≥18 | ≥20 | 136-200 |
| 100-300 | Normalizing and Tempering | ≥590 | 490-640 | ≥255 | ≥18 | ≥20 | 130-190 |
| Held Value Strength at High Temperature | |||||||||
| Nominal Thickness (mm) | During the following temperature (°C), o 0.2 (MP) should be not less than | ||||||||
| 10 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | |
| ≤100 | 265 | 235 | 225 | 205 | 186 | 172 | 157 | 147 | 137 |
| 100-300 | 255 | 230 | 220 | 200 | 181 | 167 | 152 | 142 | 132 |