Q235B carbon steel plate 

Mild steel plate  is one kind plain carbon steel .The carbon content of them  is less than 0.25% , because of its low strength, low hardness and soft, it is also called soft steel. It includes most of the ordinary carbon structural steel and a part of the high quality carbon structural steel, mostly not by heat treatment for engineering structural parts, some by carburizing and other heat treatment for the requirements of wear-resistant mechanical parts. Q235B  carbon steel plate  is a low carbon structural steel, it be used for welding, bolt connection, riveting structure. as Buildings, Bridges, ships, vehicle's structure, manufacturing a variety of tools and cutters, mould and measuring tool, etc. How strong is Q235 steel? Chinese standard Q235, the tensile strength is 370~500 MPa, and the yield strength is 235MPa. Item value Standard…