... A53 2)The lowest price in China in 100% 3)Please just test my prices Products Intruductions :-, Cold ... X42,X46,X52,X56,X60,X65,X70,L245,X290 3) Standard:GB/T 3091-2001, BS1387-1985, ... - 610mm Wall Thickness:1.8 - 22mm/li> Length:0.3 – 12m Steel Grade:API 5L : GR B, X42, ... Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test. Mill Test Certificate:EN 10204/3.1B carbon seamless steel pipe