... certificate,DIN,BS,GB,GOST standard Material: API 5L Gr.B, ASTM A106 Gr.A/B/C, ASTM A335,X42,X56,X60 ... ,X70,TP304L MOQ:10 TonDelivery:large prompt goods,delivery is soonPackaging ... GrB 3LPE coating pipe,API,PED,ISO certificate,ASME B36.10 DRL