Firmodur 7226 QT

Nombres alternativos y comerciales
Firmodur 7226, 1.7226, 34CrMoS4
Want to keep this datasheet? Save it now in your required format

Description

1.7226 (34CrMoS4) is a quenched and tempered steel can be used in automotive engineering, as parts of the axes.

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por Deutsche Edelstahlwerke Specialty Steel (DEW).

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.

Ashby charts

See where falls on the material property chart for against in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Propiedades

General

PropertyValue

Densidad

7.7 g/cm³

Show Supplier Material materials with Densidad of 7.7 g/cm³

Medidas

PropertyValueComment

Diámetro

250 mm

Show Supplier Material materials with Diámetro of 250 mm

max.

Mecánica

PropertyValueComment

Charpy impact energy, V-notch

40 - 45 J

Show Supplier Material materials with Charpy impact energy, V-notch of 40 - 45 J

Dureza Brinell

223 [-]

Show Supplier Material materials with Dureza Brinell of 223 [-]

annealed

Elongación

11 - 15 %

Show Supplier Material materials with Elongación of 11 - 15 %

A5

Estricción

45 - 60 %

Show Supplier Material materials with Estricción of 45 - 60 %

Límite elástico

450 - 800 MPa

Show Supplier Material materials with Límite elástico of 450 - 800 MPa

Módulo elástico

210 GPa

Show Supplier Material materials with Módulo elástico of 210 GPa

Resistencia a la tracción

700 - 1200 MPa

Show Supplier Material materials with Resistencia a la tracción of 700 - 1200 MPa

Aplicaciones térmicas

PropertyTemperatureValueComment

Calor específico

470 J/(kg·K)

Show Supplier Material materials with Calor específico of 470 J/(kg·K)

Coeficiente de dilatación térmica

100 °C

1.11e-05 1/K

Show Supplier Material materials with Coeficiente de dilatación térmica of 1.11e-05 1/K

for 20°C to the mentioned temperature

200 °C

1.21e-05 1/K

Show Supplier Material materials with Coeficiente de dilatación térmica of 1.21e-05 1/K

for 20°C to the mentioned temperature

300 °C

1.29e-05 1/K

Show Supplier Material materials with Coeficiente de dilatación térmica of 1.29e-05 1/K

for 20°C to the mentioned temperature

400 °C

1.35e-05 1/K

Show Supplier Material materials with Coeficiente de dilatación térmica of 1.35e-05 1/K

for 20°C to the mentioned temperature

Conductividad térmica

42.6 W/(m·K)

Show Supplier Material materials with Conductividad térmica of 42.6 W/(m·K)

Eléctrico

PropertyValue

Resistividad eléctrica

1.9e-07 Ω·m

Show Supplier Material materials with Resistividad eléctrica of 1.9e-07 Ω·m

Chemical properties

PropertyValue

Azufre

0.02 - 0.04 %

Show Supplier Material materials with Azufre of 0.02 - 0.04 %

Carbono

0.3 - 0.37 %

Show Supplier Material materials with Carbono of 0.3 - 0.37 %

Cromo

0.9 - 1.2 %

Show Supplier Material materials with Cromo of 0.9 - 1.2 %

Fósforo

0.025 %

Show Supplier Material materials with Fósforo of 0.025 %

Hierro

Balance

Manganeso

0.6 - 0.9 %

Show Supplier Material materials with Manganeso of 0.6 - 0.9 %

Molibdeno

0.15 - 0.3 %

Show Supplier Material materials with Molibdeno of 0.15 - 0.3 %

Silicona

0.4 %

Show Supplier Material materials with Silicona of 0.4 %

Technological properties

Property
Application areas

It is used in automotive engineering, as parts of the axes.

Heat Treatment

Normalizing 840-880°C (Air), Soft annealing: 680-720°C (Air, slow cooling), Quenching: 830-890°C (Water, Oil, Polymer), Tempering: 540-680°C (Air)

Hot forming

It is formable at 850-1100°C and should then cooled slowly.

Processing history

Quenched and Tempered

Welding

It is difficult to weld and should will not used be in welded constructions.