1. Specification of petroleum casing pipes: 10.29mm-1016mm(1/8"-40")X1.2mm-39mm
2. Standards of petroleum casing pipes: API 5CT API 5L
3. OD of petroleum casing pipes:  10.29mm-1016mm(1/8"-40")
4. Thickness of petroleum casing pipe:  1.2mm-39mm
5. Grade of petroleum casing pipes: H-40J-55K-55N-80C-75L-80C-90C-95P-110Q-125
6. Length of petroleum casing pipes: 6-12m As customer's requirement
7. Technique of petroleum casing pipes: Seamless welded
8. Usage of petroleum casing pipes:
1). Low and middle pressure fluid transportation pipeline.
2). Casing Tube.
3). Boiler Pipe.
4). Petroleum and natural gas industry.
5). Chemistry industry.
6). Electric industry.

9. Package of petroleum casing pipes:
1). Bundle packing.
2). Marking: As per customer's requests.
3). Painting varnish coating on the pipe.
4). Plastic caps at ends.

10. Delivery Time of petroleum casing pipes: Within 20 days