Square and Rectangular Pipes
1) Standards: ASTM-A53A, BS1387-85, GB/T3091-2001
2) Grade: Q235, Q215, Q195,
3) Round section diameter: 20*20 to 200*200mm,and 15*20to 200*250mm
4) Wall thickness: 0.8 - 12mm
5) Plain or beveled ends
6) Packing: in bundles