Customization: | Available |
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After-sales Service: | Change Against Defect or Technical |
Warranty: | 1 Year |
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Surface Finish | Black-Forged | Black-Rolled | Turned | Grinding | Polished | Peeled | Cold Drawn |
Tolerance | (0,+5mm) | (0,+1mm) | (0,+3mm) | Best h9 | Best h11 | Best H11 | Best H11 |
Grade | Heat Treat Type | Austenitizing Temperature,ºC | Cooling Media | Tempering Temperature,ºC |
F11 |
Annealing | ≥900 | Furnace Cooling | / |
Normalizing & Tempering | ≥900 | Air Cooling | ≥620 | |
F12 |
Annealing | ≥900 | Furnace Cooling | / |
Normalizing & Tempering | ≥900 | Air Cooling | ≥620 | |
F22 |
Annealing | ≥900 | Furnace Cooling | / |
Normalizing & Tempering | ≥900 | Air Cooling | ≥675 |
Grade | Level | Tensile Strength,Mpa | Yield Strength,Mpa | Elongation,% | Reduction of Area,% | Hardness,HBW |
F11 |
Class 1 | ≥415 | ≥205 | ≥20 | ≥45 | 121-174 |
Class 2 | ≥485 | ≥275 | ≥20 | ≥30 | 143-207 | |
Class 3 | ≥515 | ≥310 | ≥20 | ≥30 | 156-207 | |
F12 |
Class 1 | ≥415 | ≥220 | ≥20 | ≥45 | 121-174 |
Class 2 | ≥485 | ≥275 | ≥20 | ≥30 | 143-207 | |
F22 |
Class 1 | ≥415 | ≥205 | ≥20 | ≥35 | ≤170 |
Class 3 | ≥515 | ≥310 | ≥20 | ≥30 | 156-207 |