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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.
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1.7147 - 20MnCr5 - 4820 - G48200

Property Value
EN 1.7147
Short Name 20MnCr5
AISI 4820
5120
5120 H
UNS G48200
G51200
H51200
Common Designations AFNOR 20MC5; 20HG
Typical Applications Case-hardening steel for e.g. for bushes, gudgeon pins, spindles, camshafts, gear wheels, shafts, pinions, control parts and gear parts
Applicable Standards EN ISO 683-3
C 0,17-0,22
Si 0,15-0,40
Mn 1,10-1,40
P max. 0,025
S max. 0,035
Cr 1,00-1,30
Cu max. 0,40
Analysis Note acc. to EN ISO 683-3
Density [kg/dm³] 7,75
Electrical Resistance at 20°C [Ohm*mm²/m] 0,12
Thermal Conductivity at 20°C [W/m*K] 42,0
Mc Thermal Expansion [10⁻⁶ * K⁻¹] 20-100 °C: 11,5 / 20-400 °C: 13,9
Typical Heat Treatment annealed
Typical Hardness [HBW] max. 217
Typical Tensile Strength [MPa] ≈ 730
Category Automotive
Datasheet (PDF)