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UNS S32750 Seamless Super Duplex Steel Tube

HomeProducts & servicesDuplex(Super Duplex) Stainless Steel Pipe And Tube UNS S32750 Seamless Super Duplex Steel Tube
UNS S32750 Seamless Super Duplex Steel Tube

UNS S32750 Seamless Super Duplex Steel Tube

UNS S32750 Seamless Super Duplex Steel Tube is a high-performance tubing solution engineered for demanding environments where exceptional strength and corrosion resistance are critical. This grade of steel, often referred to by the trade name 2507, boasts a balanced microstructure of austenite and ferrite, providing a superior combination of properties compared to standard duplex or austenitic stainless steels.
UNS S32750 seamless super duplex steel pipe is a high-performance tubing solution engineered for demanding environments where exceptional strength and corrosion resistance are critical. This grade of steel, often referred to by the trade name 2507, boasts a balanced microstructure of austenite and ferrite, providing a superior combination of properties compared to standard duplex or austenitic stainless steels.

①　STANDARD: ASTM A789/ ASTM A790/ ASTM A928/ ...

②　OD RANGE : 6-720 MM

③　THICKNESS RANGE: 1-65 MM
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Detailed Introduction

UNS S32750 SAF2507 1.4410 F53 022Cr25Ni7Mo4N Chemical Composition(％)

Grade

C

Mn

P

S

Si

Ni

Cr

Mo

N

Cu

S32750

≤0.03

≤1.20

≤0.035

≤0.002

≤0.80

6.00-8.00

24.00-26.00

3.00-5.00

0.24-0.32

≤0.50

NOTE: PREN:Cr+3.3*Mo+16*N≥41


UNS S32750 SAF2507 1.4410 F53 022Cr25Ni7Mo4N Mechanical Properties

Grade

Tensile Strength ksi(MPa)

Yield Strength ksi (MPa)

Elongation (%)

Hardness HBW

Hardness HRC

S32750

≥116(800)

≥80(550)

≥15

≤300

≤32


UNS S32750 SAF2507 1.4410 F53 022Cr25Ni7Mo4N Applications

  • UNS S32750, also known as Super Duplex Stainless Steel 2507, is a remarkable alloy designed for applications that demand exceptional strength and corrosion resistance. Let’s explore its uses in various industries:

    1. Oil & Gas Industry:
      • Super Duplex Stainless Steel S32750 is widely used in the oil and gas sector.
      • It finds applications in components such as heat exchangers, pressure vessels, and piping systems due to its superior corrosion resistance1.
    2. Chemical Processing Equipment:
      • In chemical plants, this alloy is employed for reactors, heat exchangers, and other critical equipment.
      • Its resistance to aggressive chemical environments ensures durability and reliability.
    3. Marine Engineering:
      • Super Duplex S32750 is suitable for marine fixtures, pump and mixer shafts, and other components.
      • Its ability to withstand saltwater corrosion makes it valuable in marine environments.
    4. Seawater Desalination Plants:
      • The alloy is commonly used in desalination plants due to its high resistance to pitting and crevice corrosion.
      • It ensures efficient operation in these critical facilities.
    5. Heat Exchangers:
      • Heat exchangers benefit from Super Duplex S32750’s excellent weldability and workability.
      • It is a preferred material for efficient heat transfer in various applications.

    Remember that Super Duplex Stainless Steel S32750 combines the desirable aspects of both austenitic and ferritic grades, making it a versatile choice across different industries.


Products made using Super Duplex 2507 include

  • Fans
  • Wire
  • Fittings
  • Cargo tanks
  • Water heaters
  • Storage vessels
  • Hydraulic piping
  • Heat exchangers
  • Hot water tanks
  • Spiral wound gaskets
  • Lifting and pulley equipment
  • Propellers, rotors, and shafts

One of our Services--Testing

  • EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
  • Raw Materials Certificate
  • 100% Radiography Test Report
  • 100% PMI
  • Heat Treatment Charts
  • Third Party Inspection Report
  • Surface roughness and size measurement
  • Manufacturer Test Certificate( Impact Testing, Flatten, Spin,Curve, Hardness, Intergranular ,Point corrosions, Grain size, ET,UT, HT...)
  • Laboratory Test Certificate from Govt. Approved Lab
  • ......

UNS S32750 SAF2507 1.4410 F53 022Cr25Ni7Mo4N Material Summary


UNS S32750 Seamless Super Duplex Steel Tube is a cylindrical tube crafted from a single, solid billet of a high-performance duplex stainless steel alloy. Unlike welded tubes, it has no weld joint, ensuring superior structural integrity and reliability, especially under high-stress and corrosive conditions. The"UNS S32750"(or its European designation"1.4410") refers to a specific grade of super duplex stainless steel known for its exceptional corrosion resistance and high strength. This alloy is balanced with a high content of chromium, molybdenum, and nitrogen, giving it a unique two-phase microstructure of roughly equal parts austenite and ferrite. This structure provides a unique combination of high tensile strength, excellent resistance to stress corrosion cracking, and superior resistance to pitting and crevice corrosion, making it a top choice for demanding applications in harsh environments.


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