API 5CT Casing Steel Pipe H40/J55/K55/N80/L80/P110

API 5CT steel casing pipe 1, Process: ERW and Seamless 2, Standard: API 5CT 3, Thread of type: Casing: LTC, STC, BTC, VAM.4, Out Diameter: Casing: OD 4 1/2"- 20" (114.3mm-508mm) 5, Wall Thickness: 0. 205"- 0.635" 6, Length:R1(4.88mtr-7.62mtr), R2(7.62mtr-10.36mtr), R3(10.36mtr or longer) 7, Steel Grade:H-40, J55, K-55, N-80, C-75, L-80, C-90, T-95, Q-125 8, Surface: Corrosion proofing water based paint 9, End: Beveled, Square cut. And pipe protection cap especially for casing and tubing. 10, Heat treatment: Normalized, Quencher +Temper 11, Packing: in bundles with steel strips, seaworthy packing as per customer's requirements.12,Loading: Pipe length less than 5.8m (20 feet container) Pipe length less than 11.8m (40 feet container) Pipe length more than 11.8m (Bulk shipment) 13,Main markets: our products are exported to South and East Asia, Middle East, Europe and American, and enjoyed a good reputation.14,Applications:Mainly used for drilling process and completion of the wall after support, and ensure that the oil, the success of the gas transport.Definition:Oil casing is a large diameter tubing, have fixed oil and natural gas、oil well hole wall or the role. Insert the well casing is in the hole, with the cement fixed, in order to prevent the borehole separated from the rock formations and borehole collapsed, and ensure the drilling mud recycling flow, in order to drilling mining.