Material number 1.6571     -     20NiCrMoS6-4

 
Composition in % :

C

Si

Mn

P

S

Cr

Mo

Ni

0,17 - 0,23

max. 0,40

0,50 - 0,90

max. 0,035

0,020 - 0,040

0,90 - 1,40

0,25 - 0,35

1,40 - 1,70

V

W

Ti

Cu

Al

Nb

B

N

 

 

 

 

 

 

 

 


Range of application and heat treatment :

Heat treatable steel : gear components , arbors 
Hardening : 830 - 870 °C (oil , water)          Soft annealing : 650 - 700 °C 

General and distinctive features :

 
 

Material selection

Analyses selection

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