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

Los datos sobre este material han sido proporcionados por HSM Stahl- und Metallhandel GmbH.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

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Propiedades

General

PropertyTemperatureValue

Densidad

23.0 °C

7.7 g/cm³

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Mecánica

PropertyTemperatureValueComment

Dureza Brinell

23.0 °C

200 [-]

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max.

Elongación A5

23.0 °C

20 %

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min.

Límite elástico Rp 0,2

23.0 °C

320 MPa

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min.

Módulo elástico

23.0 °C

220 GPa

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Resistencia a la tracción

23.0 °C

450 - 650 MPa

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Aplicaciones térmicas

PropertyTemperatureValue

Calor específico

23.0 °C

430 J/(kg·K)

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Conductividad térmica

23.0 °C

23 W/(m·K)

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Eléctrico

PropertyTemperatureValue

Resistividad eléctrica

23.0 °C

8E-7 Ω·m

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Magnético

PropertyValue

Magnetic properties

Magnetisation is possible

Chemical properties

PropertyValueComment

Azufre

0.015 %

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max.

Carbono

0.025 %

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max.

Cromo

17 - 20 %

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Fósforo

0.04 %

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max.

Manganeso

1 %

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max.

Molibdeno

1.8 - 2.5 %

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Nitrógeno

0.03 %

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max.

Silicona

1 %

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max.

Titanio

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