Standard: BS, JIS, GB, DIN, ASTM, API	Standard: BS 4568, BS 31, JIS G3456-2004, GB/T ...	Grade: 10#-45#, Cr-Mo alloy, A53-A369, ST35-ST5...
Grade: 10#, 20#, 45#, 12CrMo195, 30CrMo, A53(A,...	Thickness: 0.5 - 20 mm	Section Shape: Square
Outer Diameter: 10mm*10mm--600mm*600mm	Place of Origin: Hebei China (Mainland)	Secondary Or Not: Non-secondary
Application: Structure Pipe	Technique: Cold Drawn	Certification: API
Surface Treatment: oiled	Special Pipe: Thick Wall Pipe	Alloy Or Not: Non-alloy
square: square