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Product Information

Super Duplex 2507 Pipe and Tubing


  Sizes   Standard Tolerances
Products OD Wall Lengths and/or coils Grades OD Wall Lengths
Pressure & Corrosion Tubing

Meets or exceeds requirements for welded

Specification: ASTM-A789

1/16" (1.59 mm) to 4" (101.6 mm)

Metric sizes available

0.010" (0.25 mm) to 0.220" (5.59 mm) Random or cut lengths up to 40' (12.2 m)

Coils to 1-1/2" OD

Super Duplex 2507
<1-1/2" (38.1 mm) ±0.005" (0.13 mm)
1-1/2" (38.1 mm) to 3" (76.2 mm) ±0.010" (0.25 mm)
3-1/2" (88.9 mm) to 4" (101.6 mm) ±0.015" (0.38 mm)
±10% Randoms up to +2" (50.8 mm)

Cuts +1/8" (3 mm) -0"

Coils to 80,000' (24,384 m)

Subsea Umbilical Tubing

Specifications: ASTM-A789 and ASTM-A790

3/8" (9.53 mm) to 1-1/2" (38.1 mm) 0.039" (0.99 mm) to 0.125" (3.18 mm) Cut lengths to 60' (18.3 m)

Coils to 1-1/2" OD*

Super Duplex 2507 ±0.005" (0.127 mm) ±10% Coils to 80,000' (24,384 m)

Physical Properties of Super Duplex 2507 Alloys in the Annealed Condition at -20°F to +100°F


      Tensile Strength Yield Strength            
Alloy UNS Designation Spec. psi MPa ksi psi MPa ksi Elongation in 2 in. (min.) % Grain Size Req. Max. Hardness Modulus of Elasticity (x106 psi) Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) Thermal Conductivity (BTU-in/ ft2-h-°F)
Super Duplex 2507 S32950 A789, A790 100,000 690 100 70,000 485 70 20 30.5 Rc
Super Duplex 2507 S32750 A789, A790 116,000 800 116 80,000 550 80 15 32 Rc 27.5 7.2 98

Composition of Super Duplex 2507 tubing and pipe


Grade Super Duplex 2507
UNS Designation S32750
Carbon (C) Max. 0.030
Manganese (Mn) Max. 1.20
Phosphorous (P) Max. 0.035
Sulphur (S) Max. 0.020
Silicon (Si) Max. 0.80
Chromium (Cr) 24.0–26.0
Nickel (Ni) 6.0–8.0
Molybdenum (Mo) 3.0–5.0
Nitrogen (N) 0.24–0.32
Iron (Fe) Bal.
Copper (Cu) 0.50
Other Elements

Super Duplex 2507 Product Range


Alloy UNS Designation Werkstoff NR. Specifications*
Super Duplex 2507 S32750 1.4410 A/SA789, A/SA790

*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.