Detailed Product Description spiral pipespiral welded pipe1.Material:Q195,Q215,235,Q345,Q390,API 5LX42,X52, 20#,35#,45#,16MN,12CR1MOV2.Length:6m12m3.O.D:219mm-1620mm4.usage: in charge of in general lower pressure fluid sums such as being used to transport water, coal gas, air, being painting composing in reply hot water or steam warming self other.