1.Side length: 10*10mm-1200*1200mm 2.Thickness: 0.6-60mm 3. Material: ASTM A53,A106,A210,A283;ST33, ST37,ST52;S235, S355 etc A very specialized rectangular pipe & square pipemanufacturer in China with more than 9 years history and an annual output over 600,000tons 1. Commodity:Rectangular pipe/ Square pipe/Round pipe/ Special section pipe 2. Side Length:10mm*10mm-1200mm*1200mm3. Thickness:0.6mm- ...