... 6-30mm 2.Standard:API 5L PSL1,GB/T9711.1 3.Material:X42-X80,Gr.B,A252 Gr.3 4 ... SY/T5040,ASTMA252,EN10217,EN10219,GB/T9711.1,API 5L3.Outer Diameter219.1—3600 mm4.Wall Thickness6mm ... caps as per customer’s requirements10.MaterialA53(A,B),Q235B,Q345B,X46,X52,X60,X70,X80 ... Spain, Italy, France, England, Belgium, etc13.CertificatesAPI 5L PSL1,PSL2 , API 5CT, ISO ,CE API 5L Gr.B Spiral Seam Welding Steel Pipe