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Super Duplex S32750 Supplier

Super Duplex S32750 Supplier


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Super Duplex 2507 · Super Duplex S32750 · Duplex 2507 · Super Duplex Stainless Steel · UNS S32750 · WNR 1.4410

Duplex 2507 with UNS S32750 is a super duplex stainless steel containing 25% Cr, 4% Mo, and 7% Ni resulting in excellent resistance to chloride pitting and crevice corrosion attack, designed for applications which demand exceptional strength and corrosion resistance.

Super Duplex 2507 is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel result in a Pitting Resistance Equivalent number (PREN) of >41, providing pitting and crevice corrosion resistance superior to austenitic and duplex stainless steels in almost all corrosive media, and a Critical Pitting Temperature exceeding 50°C. Duplex 2507 designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. is not recommended for applications which require long exposures to temperatures above 570°F because of the risk of a reduction in toughness. Super Duplex S32750 has excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of thermal expansion. The high chromium, molybdenum, and nickel levels provide excellent resistance to pitting, crevice, and general corrosion. 25Cr Super Duplex possesses excellent mechanical properties. Often a light gauge of 2507 material can be used to achieve the same design strength of a thicker nickel alloy. The resulting savings in weight can dramatically reduce the overall cost of fabrication.

Super Duplex S32750 Supplier Siddhagiri Metals and Tubes offers high quality 904L Stainless Steel in forms like Super Duplex Pipe, Super Duplex Tube, Super Duplex Seamless Pipe, Super Duplex Welded Pipe, Super Duplex Tubing, Super Duplex Flange, Super Duplex Pipe Flange, Super Duplex Fasteners, Super Duplex Pipe Fittings, Super Duplex Tube Fittings, Super Duplex Forged Fittings, Super Duplex Sheet, Super Duplex Plate, Super Duplex Sheet Plate, Super Duplex Wire Mesh, Super Duplex Wire, Super Duplex Mesh, Super Duplex Round Bar, Super Duplex Bar, etc. Siddhagiri Metals and Tubes Specializes in grades like Super Duplex 2507, Super Duplex S32750, Duplex 2507, Super Duplex Stainless Steel, UNS S32750, WNR 1.4410.

Industry Names: 25Cr Super Duplex, Super Duplex 2507, Duplex 2507, Super Duplex S32750.
Specifications: UNS S32750, WNR 1.4410.
Applications: Oil and gas industry equipment, off-shore platforms, heat exchangers, chemical process industry, vessels, piping, desalination plants.
Features: Very high strength, High resistance to pitting, crevice and general corrosion, Very high resistance to chloride stress, corrosion cracking, Lower coefficient of thermal expansion, Higher thermal conductivity.

Siddhagiri Metals and Tubes is a leading Supplier, Manufacturer and Exporter of high quality Super Duplex Stainless Steel with UNS S32750 and WNR 1.4410, in forms like Pipe, Tube, Flange, Fasteners, Fittings, Bars, Sheet, Plate and Wire Mesh. The mills that produce Ni 200 products fulfill the toughest industry standards including those from ASTM, ASME, DIN, and ISO. Super Duplex S32750 is listed in NACE MR 0175 for sour service and having gained ASME Approval for Pressure Vessel applications it can be used in a wide variety of applications.

For more information on Super Duplex S32750 please contact us.


Super Duplex 2507, is a nickel-iron-chromium austenitic alloy that was developed for maximum resistance to acid attack, specifically sulfuric acid. Siddhagiri Metals and Tubes Supplies high quality 25Cr Super Duplex with UNS S32750 and WNR 1.4410.
Other Names: 25Cr Super Duplex, Super Duplex 2507, Super Duplex S32750, Duplex 2507, Super Duplex 20.
Category: Super Duplex Stainless Steel > Super Duplex UNS S32750.
Material: Super Duplex Stainless Steel
Brand: Siddhagiri Metals and Tubes
Manufacturer: Siddhagiri Metals and Tubes
Rating: 3.3/5 based on 69 customer reviews

Super Duplex 2507 Specifications and Standards

Grade North America Forging Grade France Germany European Other Names
Super Duplex 2507 UNS S32750 F53 AFNOR Z3CN25.06Az WNR/DIN 1.4410 EURONORM X2CrNiMoN25-7-4 Super Duplex S32750 / 25Cr Duplex

Properties of Super Duplex 2507

  • Chemical Properties
    C P Mn N S Si Cr Ni Mo Cu
    MIN - - - 0.240 - - 24.000 6.000 3.000 -
    MAX 0.030 0.035 1.200 0.320 0.020 0.800 26.000 8.000 5.000 0.500
  • Mechanical Properties
    Yield Strength
    0.2% Proof
    (MPa)
    Tensile strength
    (MPa)
    Elongation
    (% in 50mm)
    Hardness
    (HB)
    MIN 550 795 15.00  
    MAX       310
  • Physical Properties
    Units 20°C 100°C 200°C 300°C
    Density g/cm³ 7.8      
    lb/in³ 0.28      
    Modulus of elasticity GPa 200 194 186 180
    psi x 10-6 29      
    Poissons ratio   0.3      
    Linear expansion (RT ➞ T)°C x 10-6/°C - 13 13.5 14
    Thermal conductivity W/m°C 15 16 17 18
      Btu/h ft°F 8.7      
    Thermal capacity J/kg°C 500 530 560 590
    Electric resistivity µΩm 0.8 0.85 0.9 1

Forms of Super Duplex 2507

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