Applications
  • Gears, sprockets, and shafts in automotive and industrial machinery.
  • Gears for reducers.
  • Crankshafts, connecting rods, and transmission components.
  • High-strength bolts and fasteners.
  • Worm screws.
  • Rollers and support elements in heavy machinery.
  • Axles.
Characteristics:
  • Alloy steel with nickel, chromium, and molybdenum.
  • Good mechanical strength and hardness.
  • Excellent carburizing capability, providing a hard surface and a tough core.
  • Good wear and fatigue resistance.
  • High toughness and impact resistance.
  • Good weldability and machinability.
Chemical Composition
Variant%(C) Carbono%(Mn) Manganeso%(P) Fósforo%(S) Azufre%(Si) Silicio%(Ni) Níquel%(Cr) Cromo%(Mo) Molibdeno
8620 (Round and plate)0.18% - 0.23%0.70% - 0.90%0.035% Máximo0.040 Máximo0.15% - 0.35%0.40% - 0.70%0.40% - 0.60%0.15% - 0.25%