... Strength Steel Tube Application:Oil/fluid pipe Certification:ISO,API Stock At Present:2431.72MT Yield Strength ... B60/B65/B70/C55/C60/C65/C70High Yield ERW/SAW PipeAPI 5L Gr. X42/X46/X52/X56/X60 ... /X65/X70/X80 PSL-1/PSL-2High Yield ERW/SAW PipeISO 3183 Gr.L245, L290, L320, L360, ... Pipes are manufactured and inspected/tested to the relevant standards including ASTM, ASME, API.Line Pipe Physical ...