What is Q355B steel plate

Q355B steel plate is a low-alloy high-strength steel plate. Q355B steel plate has excellent mechanical function, low temperature function, and excellent plasticity and weldability. Q355B steel is used to make medium and low pressure container, oil tank, vehicle, crane, mining machinery, power station, bridge, etc.

Chemical composition of Q355B steel plate:
C≤0.24, Si≤0.55, Mn≤1.6, P≤0.035, S≤0.035, Ni≤0.3; Cr≤0.3, N≤0.0012

Mechanical properties of Q355B steel plate:
Yield strength≥355, tensile strength: 470-630, Akv≥34.

Q355B steel plate is widely used in engineering, mining machinery, bridges, vehicles, ships, construction, pressure vessels, special equipment, etc.