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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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1.7227 - 42CrMoS4 - 4140 - G41400

Property Value
EN 1.7227
Short Name 42CrMoS4
AISI 4140
4140 H
4140 RH
4142
4142 H
4145
UNS G41400
G41420
G41450
H41400
H41420
K14248
Common Designations SS2244; UNE F.1252; F.1257; M4S
Typical Applications Tempered steel for automotive and aircraft construction, such as axles, shafts, gears, tires, rods, crankshafts, screws, connecting and push rods
Applicable Standards EN ISO 683-2; EN 10263-4; EN 10277; ASTM A29; ASTM A752
C 0,38-0,45
Si 0,10-0,40
Mn 0,60-0,90
P max. 0,025
S 0,020-0,040
Cr 0,90-1,20
Mo 0,15-0,30
Cu max. 0,40
Analysis Note acc. to EN ISO 683-2
Density [kg/dm³] 7,75
Thermal Conductivity at 20°C [W/m*K] 42,6
Mc Thermal Expansion [10⁻⁶ * K⁻¹] 20-100 °C: 12,1 / 20-400 °C: 13,6
Typical Heat Treatment hardened and tempered
Typical Tensile Strength [MPa] 800-1300
Category Automotive
Aerospace
Energy technology
Datasheet (PDF)