... and advanced processes for cold forming, hot extrusion, machine processing, forging, stamping and heat treatment etc. It can produce various low ... pipe and square pipeMaterial20#, 45#, Q235, 20G, A106B, A53B, AISI 1010, AISI 1020, AISI 1045EndPlain, beveled, with end cap 3. Alloy steel SizeDiameter: 1 ...