Factory direct sale flat steel A36 hot roll square steel bar

A36 offers good weldability, machinability, and can be heat treated to harden its surface. A36 Hot Rolled Steel Square Bars are made of low carbon steel that is commonly found in most industries, including frame work, support beams, axles, and CNC bases.

Unlike cold rolled steel, Hot Rolled Steel has a rougher surface and through the process of galvanization, A36 resists corrosion well.