Buy Steel Pipes 1.Product Description API 5CT Seamless Carbon Steel Casing Grade K55 ARE WIDELY USED IN THE PROJECTS FOR WATER, OIL, GAS WELL DRILLING,OUR FACTORY IS API 5CT CERTIFICATED, AND EQIUPED WITH MORDEN FACILITIES, SO, THE QUALITY OF PRODUCTS IS GUARANTEED. 2.Product parameter THE PIPE SIZE CAN BE FROM 114 MM TO 610MM 3.Product features and advantages HIGH PRECISION AND HIGH QUALITY...