Used as a stress parts. High wear-resistant parts, high stress parts, such as diameter less than 80 mm spindle. High frequency quenching after to still can make fire axle, worm, connecting rod and automobile crankshaft, such as gear. Gear shaft. Friction disc. Spindle. Flat spring, etc.
C :0.48~0.56
Si :0.17~0.37
Mn :0.70~1.00
S :≤0.035
P :≤0.035
Cr :≤0.25
Ni :≤0.30
Cu :≤0.25
Technical requirements
Detection, Z15 - Z35 thickness direction performance requirements, high strength and high toughness requirements, etc
Delivery status
According to the properties and requirements of customers , Steel plate can hot-rolled, controlled rolling,
normalizing, annealing, tempering, normalizing add tempering, piece.modified such status delivery.
Application:
used to make all kinds of steel rivet,bolt,welding structure.