What is the St52-3 steel?

St52-3 steel is non-alloy steel. It is equivalent to Chinese steel grade Q345. ST52-3 is a welded non-alloy structural steel with good toughness and dimensional stability. It can be used for parts with less stress in tool making.

St52-3 steel mechanical properties

Yield Strength in different thickness: ≤16mm: ≥355 MPa, 16-40: ≥345 MPa, 40-63: ≥335 MPa, 63-80: ≥325 MPa, 80-100: ≥315 MPa.

Tensile strength: 490-630.

Elongation: ≥18.

Impact: Temperature: 0℃: ≥23.

Uses: St52-3 non-alloy steel is mainly based on its tensile strength and yield point as its main characteristics. Used in civil construction, underground engineering, bridge structure, marine structure, container manufacturing, automobile and machine manufacturing.