A guide to Rectangular and Square steel tube
Xinyue Rectangular and Square steel tube base is aiming to build a safe, efficient, harmonious construction world hand in hand with builders, supply relevant construction materials . For square and rectangular steel tube, we can produce: OD: For square tube: 10 MM * 10 MM to 800 MM *800 MM For Rectangular steel tube: 10MM *20 MM to 1000 MM *1200 MM Wall thickness: 0.5 MM to 50 MM Steel Grade: S235JR, S275JR, S355JR, STK400, STK500,ASTM A500, SS330,SS400,SS500,ST52,ST37 etc. Technique: ERW welded, seamless, extruded,cold rolled Surface Treatment: HDP, painted Length: up to 12M http://www.xysteelpipe.com/info/A-guide-to-Rectangular-and-Square-steel-tube-523-1.htm