1.4521 / X2CrMoTi18-2

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Description

The material 1.4521 is a ferritic chrome steel with very good resistance against pitting corrosion. Due to its low tendency to work hardening, it is often used for heat exchanger tubes and tubular heating elements.

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

7.7 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

220 GPa

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Elongation A5

23.0 °C

20 %

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min.

Hardness, Brinell

23.0 °C

200 [-]

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max.

Tensile strength

23.0 °C

450 - 650 MPa

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Yield strength Rp0.2

23.0 °C

320 MPa

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min.

Thermal

PropertyTemperatureValue

Specific heat capacity

23.0 °C

430 J/(kg·K)

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Thermal conductivity

23.0 °C

23 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

8E-7 Ω·m

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Magnetic

PropertyValue

Magnetic properties

Magnetisation is possible

Chemical properties

PropertyValueComment

Carbon

0.025 %

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max.

Chromium

17 - 20 %

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Manganese

1 %

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max.

Molybdenum

1.8 - 2.5 %

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Nitrogen

0.03 %

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max.

Phosphorus

0.04 %

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max.

Silicon

1 %

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max.

Sulfur

0.015 %

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max.

Titanium

0.8 %

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max., (min: 4x(C+N)+0.15)

Technological properties

Property
Application areas

Automotive Industry, Fasteners, Mechanical Engineering, Plant construction, Armature construction, Apparatus and tank construction, Home appliances

Corrosion properties

Very good resistance against pitting corrosion

General machinability

Good

Polishing ability

Bad

Solution annealing

750-900°C

Welding

TIG welding: suitable, MAG Solid wire: suitable, Arc welding: suitable, UP welding: limited, Laser beam welding: suitable, Gas fusion welding: not suitable. A heat inpute should be as low as possible.

Workability

Hot forming: 750-1150°C