High Strength Super Duplex 2507 Pipe Polished Surface Rustproof High Cleanliness
Brand Name:MEILONG
Certification:ISO9001:2015, PED 97/23/EC
Model Number:1/4'' OD x 0.065'' WT
Minimum Order Quantity:10000 feet
Delivery Time:10 days (for our required MOQ)
Payment Terms:L/C, T/T
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Product Details
Super Duplex 2507 Seamless Capillary Tubing For Umbilicals
Super Duplex 2507 material provides excellent corrosion resistance in chloride-containing environments.
All Super Duplex 2507 control line tubing offered by MEILONG are made from a controlled-chemistry. Alloy 2507 material with minimum pitting resistance equivalent (PRE) value of 42.5
Size include 1/4’’, 3/8’’, 1/2’’, 5/8’’, 3/4’’, and 1 in. outside diameter.
Tubing nominal wall thickness meets ASTM A-789
Tube markings include size, material type/grade, specification, heat number, and other information.
Quality Assurance
Eddy current test (ECT)
Ultrasonic test
Hydrostatic test
Chemical composition analysis
Tensile test
Hardness test
Dimension & visual inspect
Metallographic analysis
Super Duplex 2507, Chemical composition
| Element | Composition, % |
| Chromium | 24.0-26.0 |
| Nickel | 6.0-8.0 |
| Molybdenum | 3.0-5.0 |
| Manganese | 1.2 max. |
| Silicon | 0.8 max. |
| Carbon | 0.030 max. |
| Sulfur | 0.020 max. |
| Phosphorous | 0.035 max. |
| Nitrogen | 0.24-0.32 |
Application: Super duplex alloy combining excellent strength with good corrosion resistance in high chloride and seawater environments
Tensile strength, min.: 116ksi (800MPa)
Yield strength, min.: 80ksi (550MPa)
Elongation in 2 in., min.: 15%
Hardness, max.: Brinell 310, or Rockwell C 32
Coiled Tubing Size
| Imperial size | Metric size | ||
OD inch | WT inch | OD mm | WT mm |
| 1/8 (0.125) | 0.028 | 3.18 | 0.71 |
| 0.035 | 3.18 | 0.89 | |
| 3/16 (0.188) | 0.028 | 4.76 | 0.71 |
| 0.035 | 4.76 | 0.89 | |
| 0.049 | 4.76 | 1.24 | |
| 1/4 (0.250) | 0.035 | 6.35 | 0.89 |
| 0.049 | 6.35 | 1.24 | |
| 0.065 | 6.35 | 1.65 | |
| 0.083 | 6.35 | 2.11 | |
| 3/8 (0.375) | 0.035 | 9.53 | 0.89 |
| 0.049 | 9.53 | 1.24 | |
| 0.065 | 9.53 | 1.65 | |
| 0.083 | 9.53 | 2.11 | |
| 1/2 (0.500) | 0.035 | 12.7 | 0.89 |
| 0.049 | 12.7 | 1.24 | |
| 0.065 | 12.7 | 1.65 | |
| 0.083 | 12.7 | 2.11 | |
| 5/8 (0.625) | 0.049 | 15.88 | 1.24 |
| 0.065 | 15.88 | 1.65 | |
| 0.083 | 15.88 | 2.11 | |
| 3/4 (0.75) | 0.065 | 19.05 | 1.65 |
| 0.083 | 19.05 | 2.11 | |
| 1 | 0.065 | 25.4 | 1.65 |
| 0.083 | 25.4 | 2.11 | |
Tubing length up to 32,808 feet (10,000 m)
For control line, chemical injection line, umbilicals
Available materials
Austenitic: 316L
Duplex: S31803, S32205
Super Duplex: S32750
Nickel alloy: N06625, N08825
Norm Equivalence
| Grade | UNS No | Euro norm | Japanese | |
| No | Name | JIS | ||
| Alloy | ASTM/ASME | EN10216-5 | EN10216-5 | JIS G3463 |
| 316L | S31603 | 1.4404, 1.4435 | X2CrNiMo17-12-2 | SUS316LTB |
| 2205 | S31803 | 1.4462 | X2CrNiMoN22-5-3 | SUS329J3LTB |
| 2507 | S32750 | 1.4410 | X2CrNiMoN25-7-4 | |
| 625 | N06625 | 2.4856 | NiCr22Mo9Nb | |
| 825 | N08825 | 2.4858 | NiCr21Mo | |
High Strength Super Duplex 2507 Pipe Polished Surface Rustproof High Cleanliness
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