carbon saw pipes (1)Q235,Q345,10#,20#,16Mn,L245,L290, ... ,x80. (2)size,OD:219-3000mm (3)Thicknes:6-25mm carbon saw pipesMaterial:Q235,Q345,10#,20#,16Mn,L245,L290,L360 ... .Meanwhile,also welcome new and old friends to visit our group mill,thanks very much. carbon saw pipes