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
13 Packing: in bundles with steel strips , then wrapped in nylons or in bulk as per the loading requirements