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Coiled Tubing
Oil Well Coiled Tubing 316L Duplex 2205 Alloy 625 Alloy 825
MEILONG TUBE manufactures high quality laser seam welded corrosion resistant alloy coiled tubing for a variety of downhole and offshore applications, including extremely long length coiled tubing. Applications include gas and chemical injection, hydraulic control line, steel tube umbilicals, and work and velocity strings.
Typical dimensional range
Outside diameter
Wall thickness 6.35mm
0.250’’ 7.95mm
0.313’’ 9.53mm
0.375’’ 12.7mm
0.500’’ 15.88mm
0.625’’ 19.05mm
0.750’’
0.89mm / 0.035’’
1.24 / 0.049
1.65 / 0.065
2.11 / 0.083
Other sizes are available on request
Steel grades
Austenitic steel 316L, UNS S31603
Duplex 2205, UNS S3205
Super duplex 2506, UNS S32750
Alloy 625, UNS N06625
Alloy 825, UNS N08825
Applied standards
ASTM A-269 / ASME SA-269
ASTM A-789 / ASME SA-789
ASTM B-704 / ASME SB-704
MEILONG TUBE manufactures high quality laser seam welded corrosion resistant alloy coiled tubing for a variety of downhole and offshore applications, including extremely long length coiled tubing. Applications include gas and chemical injection, hydraulic control line, steel tube umbilicals, and work and velocity strings.
Typical dimensional range
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Outside diameter |
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Wall thickness |
6.35mm 0.250’’ |
7.95mm 0.313’’ |
9.53mm 0.375’’ |
12.7mm 0.500’’ |
15.88mm 0.625’’ |
19.05mm 0.750’’ |
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0.89mm / 0.035’’ |
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1.24 / 0.049 |
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1.65 / 0.065 |
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2.11 / 0.083 |
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Other sizes are available on request
Steel grades
Austenitic steel 316L, UNS S31603
Duplex 2205, UNS S3205
Super duplex 2506, UNS S32750
Alloy 625, UNS N06625
Alloy 825, UNS N08825
Applied standards
ASTM A-269 / ASME SA-269
ASTM A-789 / ASME SA-789
ASTM B-704 / ASME SB-704
Quality assurance
The quality of our products for the control line in oil and gas sector is assured not just during the controlled manufacturing process but also by way of finished product testing. Typical tests include:
• Non-destructive tests (ET, UT)
• Hydrostatic tests
• Surface finish controls
• Dimensional accuracy measurements
• Flare and coning tests
• Mechanical and chemical property testing