... gas, petroleum, fluid, and electricity 2)Seamless,SAW and ERW steel pipe 3)THK <2.4" 4)OD<12" A: ... pipe diameter: 8mm-3000mm, thickness: 0.4-60.0mm2) Square tube: 10 x 10mm-1000 x 1000mm, thickness: 0.6-60 ... .0mm3) Rectangle tube: 15 x 10mm-800 x 500mm, thickness: 0.6 ... painted C: Length of each pipe: 500mm-16,000mm D: Steel grade: 10#, 20#, A106B, A53B, Q195 Q235, Q345, ...