Supreme Steels

Alloy F53 (UNS S32750)

Alloy F53 (UNS S32750) - Super Duplex Stainless Steel

Alloy F53, also known as UNS S32750, is a super duplex stainless steel with outstanding corrosion resistance and high mechanical strength. It is designed for use in highly aggressive environments, particularly those involving chlorides and other halides. The alloy offers a combination of excellent pitting and crevice corrosion resistance, superior stress corrosion cracking resistance, and exceptional strength.

Features of Alloy F53:

Specifications:

Applicable Standards:

Mechanical Properties:

Property Value
Tensile Strength ~800 MPa
Yield Strength ~550 MPa
Elongation ~15%
Hardness (BHN) ~310
Density 7.8 g/cm³

Thermal Properties:

Chemical Composition:

Element Percentage (%)
Chromium (Cr) 24.0-26.0
Nickel (Ni) 6.0-8.0
Molybdenum (Mo) 3.0-4.0
Nitrogen (N) 0.24-0.32
Carbon (C) ≤0.03
Silicon (Si) ≤1.0
Manganese (Mn) ≤1.2