1.4529 / X1NiCrMoCuN25-20-7

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Description

The material 1.4529 is an austenitic nickel-chromium-molybdenum steel with excellent corrosion resistance and good weldability. However, since the material also has a very high proportion of alloying elements, its machinability is very difficult.

Related Standards

Equivalent Materials

This material data has been provided by HSM Stahl- und Metallhandel GmbH.

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.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

8.1 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

195 GPa

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Elongation A5

23.0 °C

40 %

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min.

Hardness, Brinell

23.0 °C

250 [-]

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max.

Tensile strength

23.0 °C

650 - 850 MPa

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Yield strength Rp0.2

23.0 °C

300 MPa

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min.

Thermal

PropertyTemperatureValue

Specific heat capacity

23.0 °C

450 J/(kg·K)

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Thermal conductivity

23.0 °C

12 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

1E-6 Ω·m

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Magnetic

PropertyValue

Magnetic properties

Magnetisation very low

Chemical properties

PropertyValueComment

Carbon

0.02 %

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max.

Chromium

19 - 21 %

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Copper

0.5 - 1.5 %

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Manganese

1 %

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max.

Molybdenum

6 - 7 %

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Nickel

24 - 26 %

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Nitrogen

0.15 - 0.25 %

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Phosphorus

0.03 %

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max.

Silicon

0.5 %

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max.

Sulfur

0.01 %

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max.

Technological properties

Property
Annealing

1120-1180°C

Application areas

Environmental Technology, Power engineering for onshore and offshore, Chemical & petrochemical, Ship building industry, Medical technology & pharmacy, Cellulose and textile industry, Architecture & Decoration

Corrosion properties

Very good/excellent resistance against pitting corrosion

General machinability

Very hard

Polishing ability

Good

Welding

TIG welding: suitable, MAG Solid wire: suitable, Arc welding: suitable, UP welding: suitable, Laser beam welding: suitable, Gas fusion welding: suitable. It has a tendency to hot crack formation.

Workability

Hot forming: 950-1200°C