This steel is widely used in the manufacture of various forging and pressing parts, cold-drawn and forging steel, seamless steel tubes, machinery manufacturing parts, such as crankshafts, shafts, shaft pins, levers, connecting rods, beams, sleeves, round rings, gaskets and screws, nuts, motorcycle racks. .
Heat treatment and microstructure specifications:
Heat treatment specifications: normalizing, 870 ℃; quenching, 850 ℃; tempering, 600 ℃.
Microstructure: ferrite and pearlite.
Delivery status: to heat or no heat treatment (annealing, normalizing or tempering) state delivery. Require heat treatment delivery should be specified in the contract, no heat treatment is not indicated by delivery.