Q235 steel is a kind of carbon structural steel. It is equivalent to the A3 and C3 steel in the old standard GB700-79 grades, and is a grade used in Russia's TOCT. The Q in its steel number represents yield strength. Normally, the steel is used directly without heat treatment.
Chinese name Q235 steel
Q235 is a material in steel and a brand in ordinary carbon structural steel. No alloying elements are specially added to Q235. The yield strength of Q235 is 235mpa. The Q in front is the abbreviation of yield strength. Mainly used in construction, mostly rolled steel bars, steel sections, steel plates, etc., not seamless pipes. Mainly used in bridges, factories, ships and other construction and engineering projects. Use without heat treatment.
Q235 chemical composition The chemical composition of Q235: C ≤0.22 Si≤ 0.35 Mn ≤ 1.40 P≤ 0.045 S≤0.050
The tensile strength of Q235 is 490MPa, and the elongation is 23%.
