Grade : 42CrMoS4
Number: 1.7227
Standard: EN 10277 - 5: 2008 Bright steel products. Technical delivery conditions. Steels for quenching and tempering EN 10083 - 3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels
Classification: Steels for quenching and tempering
Equivalent grades:
USA: 4140
Germany (DIN,WNr): 42CrMoS4
France (AFNOR): 42CD4u
Italy (UNI): 42CrMo4
Spain (UNE): 40CrMo41
International (ISO): 42CrMoS4
Chemical composition % of the ladle analysis
C Si Mn P S Cr Mo
0.38 - 0.45 max 0.4 0.6 - 0.9 max 0.025 0.02 - 0.04 0.9 - 1.2 0.15 - 0.3
Technological properties
Weldability: ? Bad weldability due to the high crack danger.
Hardenability: ?Medium-good hardenability, suitable for hot purposes till a temperature of 500?. It can be hardened in oil.
Equivalent grades:
USA: 4140
Germany (DIN,WNr): 42CrMoS4
France (AFNOR): 42CD4u
Italy (UNI): 42CrMo4
Spain (UNE): 40CrMo41
International (ISO): 42CrMoS4
Chemical composition % of the ladle analysis
C Si Mn P S Cr Mo
0.38 - 0.45 max 0.4 0.6 - 0.9 max 0.025 0.02 - 0.04 0.9 - 1.2 0.15 - 0.3
Technological properties
Weldability: ? Bad weldability due to the high crack danger.
Hardenability: ?Medium-good hardenability, suitable for hot purposes till a temperature of 500?. It can be hardened in oil.
