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Notes on use (click to expand)

Notes on use (click to expand)

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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1.4021 - X20Cr13 - 420 - S42000

Property Value
EN 1.4021
Short Name X20Cr13
AISI 420
420A
UNS S42000
Common Designations BS 420S37; AFNOR Z20Cr13; UNI X20Cr13; SS 2303; JIS SUS420J1; GOST 20Ch13; GB 2Cr13
Typical Applications Corrosion-resistant martensitic steel for mechanical engineering, the automotive industry, energy technology, medical technology and the food industry
Applicable Standards EN 10088-3; ASTM A276; ASTM F899; ASME SA276; EN ISO 7153-1
C 0,16-0,25
Si max. 1,00
Mn max. 1,50
P max. 0,040
S max. 0,030
Cr 12,0-14,0
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] 30,0
Mc Thermal Expansion [10⁻⁶ * K⁻¹] 20-100 °C: 10,5 / 20-400 °C: 12,0
Typical Heat Treatment hardened and tempered
Typical Hardness [HBW] max. 241
Typical Tensile Strength [MPa] 700-850
Category Automotive
Tooling steels
Chemical industry
Energy technology
Medical technology
Hydrogen applications
Datasheet (PDF)