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UNS S32750 Bar

Alternative and trade names
EN 1.4410, UNS S32750, ASTM A182 Grade F53
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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. It has very good resistance to localized corrosion and stress corrosion cracking in combination with high mechanical strength. It is widely used in Oil & Gas Industry, hydropower, pressure vessels, pulp & Equipment for the Paper Industry, Paper Industry, structural components and chemical tankers.

Related Standards

Properties

Dimension

Diameter d

16 - 406.4 mm

Mechanical

Elongation A

25 % at 20 °C

Hardness, Brinell HB

270 [-] at 20 °C

Impact strength, Charpy notched Ivnot

45 kJ/m² at -46 °C

Tensile strength Rm

750 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

550 MPa at 20 °C

Chemical properties

Element

Weight %

Comment

Cr

24 - 26 %

Ni

6 - 8 %

Mo

3 - 5 %

Mn

1.2 %

Si

0.8 %

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Technological properties

Processing history

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.