Hot Rolled Mild Iron Sheet Q235 Q345 A36 Ss400 S235jr S355jr S355j2+N Ah36 Ship Building Low Carbon Alloy Ms Steel Plate in Coil

Mar 13, 2026 Leave a message

What is Q235 steel?

Ordinary carbon structural steel, yield strength ≥ 235 MPa.

What do the letters and numbers in Q235 mean?

Q = Yield strength, 235 = Yield strength value (MPa).

What was the old designation for Q235?

Formerly A3 steel.

What standards does Q235 conform to?

GB/T 700, GB/T 3274.

Is Q235 low-carbon steel?

Yes, carbon content is generally ≤ 0.22%.