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Product Information

Composition of Super Duplex 100 Pipe and Tubing


GradeSuper Duplex 100
UNS DesignationS32760
Carbon (C) Max.0.05
Manganese (Mn) Max.1.00
Phosphorous (P) Max.0.030
Sulphur (S) Max.0.010
Silicon (Si) Max.1.00
Chromium (Cr)24.0–26.0
Nickel (Ni)6.0–8.0
Molybdenum (Mo)3.0–4.0
Nitrogen (N)0.20–0.30
Iron (Fe)Bal.
Copper (Cu)0.50–1.00
Other ElementsW 0.50–1.00, 40 min*

Physical Properties of Super Duplex 100 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 100 S32760 A789, A790 109,000 750 109 80,000 550 80 25 31 Rc 7.5 156