Supreme Steels

Alloy F255

Alloy F255 - Super Duplex Stainless Steel

Alloy F255 is a super duplex stainless steel known for its excellent corrosion resistance, high mechanical strength, and outstanding performance in harsh environments. It offers superior resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for applications in chloride-rich and aggressive environments.

Features of Alloy F255:

Specifications:

Applicable Standards:

Mechanical Properties:

Property Value
Tensile Strength ~725 MPa
Yield Strength ~485 MPa
Elongation ~25%
Hardness (BHN) ~310
Density ~7.8 g/cm³

Thermal Properties:

Chemical Composition:

Element Percentage (%)
Chromium (Cr) ~24.0-26.0
Nickel (Ni) ~4.5-6.5
Molybdenum (Mo) ~3.0-4.0
Nitrogen (N) ~0.20-0.25
Carbon (C) ≤0.03
Silicon (Si) ≤1.0
Manganese (Mn) ≤1.0