... :219-3600mm,WT:6-30mm 2.Standard:API 5L PSL1,GB/T9711.1 3.Material:X42-X80,Gr.B,A252 Gr.3 4 ... requirements10.MaterialA53(A,B),Q235B,Q345B,X46,X52,X60,X70,X80 etc11.UsageFor linepipe in petroleum and natural gas , water and ... , Kenya, South Africa, Spain, Italy, France, England, Belgium, etc13.CertificatesAPI 5L PSL1,PSL2 , API 5CT, ISO ,CE API 5L PSL2 Spiral Seam Steel Pipe