Q235B steel plate is a low carbon steel. The national standard GB/T 700-2006 Carbon Structural Steel has a clear definition. Q235B is one of the most common steel products in China, with low price, and can be competent for most products with low performance requirements.
chemical composition
C: ≤ 0.20。
Silicon Si: ≤ 0.35.
Manganese Mn: ≤ 1.4.
Sulfur s: ≤ 0.045.
Phosphorus P: ≤ 0.045.
Chromium Cr: allowable residue ≤0.30.
Nickel Ni: allowable residual content ≤0.30.
Copper and copper: allowable residue ≤0.30.
Note: Deoxidation methods: F, B, Z.