class X60 IS1978 line pipe 1. Standard:API 5L GR A25 2. OD:1.900 TO 20inch 3. WT:0.109inch to1.375inch 4. LTH:5-12m;5 PSL1&2 Gr.A25 SEAMLESS STEEL LINE PIPECan be 3PE COATING finishined,black painting,anti-rust OIL,or requested 1. Standard:API 5L GR X60,PSL1&22. OD:1.900 TO 20inch3. WT:0.109inch to 1.375inch4. LTH:5-12m;5.material origin:China6.Technique:seamless,ERW,SAWH, LSAW Welding,Hot rolled ...