... specifications Stainless Oil Casing PipeAPI 5CT H40/J55/K55/N80/L80/P110/Q125 Casing Pipe with LTC\ STC\BTC\VAM ... spainend casing pipes2. Steel Grade: H40, J55, K55, N80, M65, L80, L8013CR, C90, C95, T95, P110, Q125, V1503. Process: ERW ... Certificate: EN 10204/3.1B H40, J55, K55, N80, M65, L80, L8013CR, C90, C95, T95, P110, Q125, V150Oil casing steel ... you very much. Seamless Oil Casing Tube (API 5CT L80)