Back (Fe-Base)

1.1133 | 20Mn5 Rolled thread

Numeric designation1.1133
Chemical designation20Mn5
StateRolled thread
Etching3 % Nital

The thread profile shows the deformation from rolling and the typical “rabbit ears” in the cone point. The core structure is ferritic-pearlitic and slightly strain-hardened. The core hardness is 250 HV0.5.