Standard:ASTM,BS,GB,JIS,DIN,API Grade Group:Q195-Q345,ST35-ST52,A53-A369,API J55-API P110,16Mn,10#-45# Thickness:3 - 80 mm Section Shape:Round Secondary Or Not:Non-secondary Application:Fluid Pipe Technique:Hot Rolled Certification:API Surface Treatment:hot rolled Special Pipe:Thick Wall Pipe Alloy Or Not:Non-alloy Service:OEM Certificate:ISO,API Standard:API 5L API 5CT ASTM/ASME JIS DIN GB EN MOQ:20 tons Terms of Payment:T/T;L/C atsight Show More