1 Production Process: Seamless & ERW 
2 Specification: API 5CT /5B
3 Out Diameter: 4 1/2"- 20" (114.3mm-508mm) 
4 Thread: LTC ( Long Round Thread), STC ( Short Round Thread), BTC ( Buttress Thread) and other premium connections which can be made as per the given drawings
5 Length:R1(4.88-7.62m), R2(7.62-10.36m), R3(10.36-14.63m))
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

We look forward to the long term beneficial business relationship , if you are the one, welcome to join us!