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Super Duplex 2507

Stainless Steel Super Duplex 2507 is designed for applications which demand exceptional strength and corrosion resistance. The high molybdenum, chromium and nitrogen content in Super Duplex 2507 results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides Super Duplex 2507 with exceptional resistance to chloride stress corrosion cracking. Usage of Super Duplex Steel 2507 should be limited to applications below 600° F (316° C). Extended elevated temperature exposure can reduce both the toughness and corrosion resistance of Alloy 2507.


Standard Super Duplex
UNS S32750 / S32950

Werkstoff Nr. 1.4410

Mechanical & Physical Properties

Density 7.8 g/cm3

Melting Point 1350 °C (2460 °F)

Tensile Strength Psi-116000 ,MPa-800

Yield Strength (0.2%Offset) Psi-80000 ,MPa-550

Elongation 15 %

Chemical Composition


Super Duplex
Ni 6-8

Cr 24-26

Fe Balance

Mo 3-5

C 0.030 max

N 0.24-0.32

Mn 1.20 max

Cu 0.50 max

Si 0.80 max

P 0.035 max

S 0.020 max


Chemical Industry
Marine Industry
Oil & Gas Industry
Petrochemical Industry
Power Generation
Paper & Pulp Industry

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