SSAW steel pipe OD:219mm-3048mm Wall thickness:5mm-30mm Standard:API 5L,ASTM A252,EN10219 Steel grade:B,X42,X46...X70;Gr.1,Gr.2,Gr.3;S235,S355;Q235B,Q345B Certificate: API 5L,CE,ISO9000 Packing as per the factory's standard,in loose or according to the clients' requirement. Using for transporting the low press liquild, water,oil ,gas, structure building,piling for bridge. We have the high quality test equipment to do the hydraulic test,X-ray test,UT on-line and UT off-line test to ensure the quality.