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There are more than 2,500 standardized types of steel worldwide, which differ in their composition, manufacturing and post-treatment processes and therefore also in their intended use. Almost 400 of these materials are also produced in our rolling mills. Finding your way around often costs time and nerves.
Our material database should save you time and nerves and make the material search easier.
If you already know the required material, simply use our search function. For example, search for the short name, EN, AISI or UNS. Under Details you will also find the detailed data sheet, which is also available for download.
Further information on using the material database can be found here.

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1.4003 - X2CrNi12 - 3Cr12 - S40977

Property Value
EN 1.4003
Short Name X2CrNi12
AISI 3Cr12
UNS S40977
Common Designations BS; AFNOR; SS; UNSE X2CrNi12
Typical Applications Corrosion-resistant ferritic steel for apparatus and container construction, container construction, agricultural technology, materials handling technology, environmental technology, construction industry, automotive and mechanical engineering
Applicable Standards EN 10088-3; EN 10272
C max. 0,03
Si max. 1,00
Mn max. 1,50
P max. 0,040
S max. 0,030
Cr 10,5-12,5
Ni 0,30-1,00
N max. 0,030
Analysis Note acc. to EN 10088-3
Density [kg/dm³] 7,70
Electrical Resistance at 20°C [Ohm*mm²/m] 0,60
Thermal Conductivity at 20°C [W/m*K] 25,0
Mc Thermal Expansion [10⁻⁶ * K⁻¹] 20-100 °C: 10,4 / 20-400 °C: 11,6 / 20-500 °C: 11,9
Typical Heat Treatment annealed
Typical Hardness [HBW] max. 200
Typical Tensile Strength [MPa] 450-600
Category Automotive
Aerospace
Chemical industry
Hydrogen applications
Datasheet (PDF)