Material number 1.7030     -     28Cr4

 
Composition in % :

C

Si

Mn

P

S

Cr

Mo

Ni

0,24 - 0,31

max. 0,40

0,60 - 0,90

max. 0,035

max. 0,030

0,90 - 1,20

 

 

V

W

Ti

Cu

Al

Nb

B

N

 

 

 

 

 

 

 

 


Range of application and heat treatment :

Heat treatable steel : gear components , crankshafts , piston bars 
Hardening : 840 - 880 °C (oil or water)          Soft annealing : 680 - 720 °C          Normalising : 860 - 900 °C 

General and distinctive features :

 
 

Material selection

Analyses selection

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