... Seamless steel pipe 1)Thickness:6.5-12mm 2)OD:32-630mm 3)Certification:ISO9001:2000 Product Name ASTM A106 Seamless ... -12mm Certification ISO9001:2000 Standard ASTM,BS,DIN GB Grade 10#,20#,45#,A53(A,B),Q195,Q215,Q235 Place of ... Application Tube with hollow cross-section, a large number of channels for transporting fluids, such as the transportation of oil, natural ...