F53

Alternative and trade names
UNS S32750 F53
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Description

The term "Super-Duplex" denotes high-performance Duplex steel based on elevated contents of chromium, nickel and molybdenum. These elements improve pitting corrosion resistance, while additions of nitrogen promoted structural hardening, raising the yield strength and ultimate strength values without impairing toughness.

Equivalent Materials

This material data has been provided by Broder Metals Group.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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.

Ashby charts

Properties

Mechanical

PropertyTemperatureValue

Elongation

23.0 °C

23 %

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Hardness, Brinell

23.0 °C

290 [-]

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Tensile strength

23.0 °C

730 - 930 MPa

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Yield strength Rp0.2

23.0 °C

530 MPa

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Charpy impact energy, V-notch

100

Chemical properties

PropertyValue

Carbon

0.03 %

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Chromium

24 - 26 %

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Iron

Balance

Manganese

2 %

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Molybdenum

3 - 4.5 %

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Nickel

6 - 8 %

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Nitrogen

0.24 - 0.35 %

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Phosphorus

0.02 %

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Silicon

1 %

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Sulfur

0.015 %

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Technological properties

Property
Corrosion properties

F53 has excellent resistance to stress corrosion cracking in chloride bearing environments, excellent resistance to pitting , crevice and general corrosion.

Welding

Good