UNS S32750 colled rolled Plate

Alternative and trade names
UNS S32750, ALLOY 1.4410, SUPER DUPLEX UNS S32750, F53, 2507
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Description

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.

Related Standards

Equivalent Materials

Properties

Dimension

Length l

3000 - 6000 mm

Thickness t

2 - 50 mm

Width w

1500 - 2000 mm

Mechanical

Charpy impact energy, V-notch aK,charpy,V-notch

45 J at -46 °C

Elongation A

25 % at 20 °C

Hardness, Brinell HB

310 [-] at 20 °C

Tensile strength Rm

750 - 1000 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

550 MPa at 20 °C

Chemical properties

Element

Weight %

Comment

Fe

-

Balance

Cr

24 - 26 %

Ni

6 - 8 %

Mo

3 - 5 %

Mn

1.2 %

More

Technological properties

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

This material data has been provided by Sverdrup Steel.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.