1 Production Process: Seamless & ERW  2 Specification: API 5CT /5B 3 Out Diameter: 2 3/8" - 4 1/2" (60.3mm-114.30mm) 4 Thread: EUE ( Exteral Upset End), NUE ( Non Upset End) 5 Length:R1( 6.10-7.32m ), R2( 8.53-9.75m), R3(11.58-12.80m)) 6 Steel Grade: H-40, J55, K-55, N-80, L-80, P110, Q-125 7 Surface:Corrosion proofing water based paint 8 Heat treatment:Normalized, Quencher+Temper 9 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) 10 Loading Port: Mainly Tianjin Port,  11 Shipment: by containers or in bulk vessel  12 Payment Terms: TT, LC