... API Casing Tube-----------------------------------------------------------------------------------------------------------------Features Materials: H-40,J-55,K-55,N-80,C-75,L-80,C-90,C-95,P ... : Plain, BTC, LTC,STC Grades: H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P ... -3/4273.057.09-20.24H40-P11011-3/4298.458.46-14.78H40-P11011-3/8339.728.38-13.06H40-P110Oil ...