carbon saw pipes (1)Q235,Q345,10#,20#,16Mn,L245,L290,L360, ... . (2)size,OD:219-3000mm (3)Thicknes:6-25mm carbon saw pipesMaterial:Q235,Q345,10#,20#,16Mn,L245,L290,L360,x70 ... water,gas,oil,piling and other construction.Main market:North America,South America,Eastern &Western Europe,Sountheast Asia,Mid East Eastern Asia,etc ... friends to visit our group mill,thanks very much. carbon saw pipes