The tubing products for the oil & gas sector have been successfully applied in some of the most aggressive subsea and downhole conditions and we have a long proven track record of supplying products that meet the strict quality requirements of the oil and gas sector.
Meilong Tube offers coiled tubing in a wide range of corrosion resistant stainless steels, nickel alloys. We have extensive experience in product supply and innovation in this sector, from the technological advances required for subsea developments in the 1999 to the deepwater challenges of today
| Alloy |
O.D. |
W.T. |
Yield Strength |
Tensile Strength |
Elongation |
Hardness |
Working Pressure |
Burst Pressure |
Collapse Pressure |
|
inch |
inch |
MPa |
MPa |
% |
HV |
psi |
psi |
psi |
|
|
|
|
min. |
min. |
min. |
max. |
min. |
min. |
min. |
|
| Duplex 2507 |
0.250 |
0.035 |
550 |
800 |
15 |
325 |
13,783 |
33,903 |
13,783 |
| Duplex 2507 |
0.250 |
0.049 |
550 |
800 |
15 |
325 |
19,339 |
41,341 |
18,190 |
| Duplex 2507 |
0.250 |
0.065 |
550 |
800 |
15 |
325 |
25,646 |
52,265 |
22,450 |
Close dimensional tolerances
Considerably enhanced mechanical properties
Superior surface finish
High cleanness of inside surface
Controlled ovality, eccentricity