Steel plate St52-3 is most normal used among all kinds of low alloy steel grades. St52-3 is equal to Chinese steel grade Q345B, low alloy high strength steel plate. Low alloy steel plate St52-3 is used to manufacture the plants of factory, the common contracture and construction machinery and equipments. The additional technical requirements for structural steel plate St52-3 shall be Ultrasonic examination, heat treatment, low temperature impacting, hot blasting and painting for prevent rusty.

DIN St52-3 steel plate Physical properties (average values) at ambient temperature

Modulus of elasticity [103 x N/mm2]: 210

Density [g/cm3]: 7.80

DIN St52-3 steel plate soft annealing

Heat to 650-700oC, cool slowly.

DIN St52-3 steel plate hardening

Harden from a temperature of 860-890oC followed by oil or water quenching.

DIN St52-3 steel plate tempering

Normalizing temperature: 860-890oC.

DIN St52-3 steel plate forging

Hot forming temperature: 1050-850oC.

DIN St52-3 steel plate machinability

Machinability is good, rated at 90% that of the 1112 alloy used as a 100% machining rated steel. 

BBN steels are specialized in supplying DIN St52-3 steel plate. We have 17 years experience in the exportation of DIN St52-3 steel plate. please feel free to contact us.