... .API Spec 5L,GB/T9711 2.OD*WT:219-2032mm(8-80")*6-18mm 3.A,B,X42-X70,Q235B 4.Line pipe ... Standard: API 5L,GB/T9711,GB/T3091Material: Gr.B,X42,X46 ... ,L360,L415,L485.etcBesides SSAW steel pipe, we can also supply the ERW steel pipe,Seamless steel pipe.Casing tube and so on ...