UNS S32750 Rolled Plate – Premium Super Duplex Stainless Steel

Super Duplex UNS S32750 is the most common super duplex grade in the market. UNS S32750 is a duplex stainless steel especially designed for service in aggressive chloride-containing environments with high mechanical strength.

Properties

Dimension

Property	Value
Length	3000 - 6000 mm
Thickness	2 - 50 mm
Width	1500 - 2000 mm

Mechanical

Property	Temperature	Value
Charpy impact energy, V-notch	-46.0 °C	45 J
Elongation	23.0 °C	25 %
Hardness, Brinell	23.0 °C	310 [-]
Tensile strength	23.0 °C	750 - 1000 MPa
Yield strength Rp0.2	23.0 °C	550 MPa

Chemical properties

Property	Value
Carbon	0.03 %
Chromium	24 - 26 %
Copper	0.5 %
Iron	Balance
Manganese	1.2 %
Molybdenum	3 - 5 %
Nickel	6 - 8 %
Nitrogen	0.24 - 0.32 %
Phosphorus	0.04 %
Silicon	0.8 %
Sulfur	0.02 %

Technological properties

Property
Application areas	It is widely used in oil & gas, hydropower, pressure vessels, pulp & paper, structural components and chemical tankers.
Corrosion properties	High resistance to stress corrosion cracking in halide containing environments, High resistance to pitting and crevice corrosion, High resistance to general corrosion, High resistance to erosion corrosion and corrosion fatigue. PREN ≥ 41
Heat Treatment	Solution annealing at 1100°C followed by water quenching.
Welding	Very good

UNS S31803 Duplex Stainless Steel Plate – High Strength & Corrosion Resistance UNS S32750 Hot Rolled Plate – Premium Duplex Stainless Steel for Chloride‑Rich Environments

Metal