Material number 1.1520     -     C70W1 / C70U

 
Composition in % :

C

Si

Mn

P

S

Cr

Mo

Ni

0,65 - 0,74

0,10 - 0,25

0,10 - 0,25

max. 0,020

max. 0,020

 

 

 

V

W

Ti

Cu

Al

Nb

B

N

 

 

 

 

 

 

 

 


Range of application and heat treatment :

Unalloyed Tool steel : centering drifts , vise jaws , forging hammers , shears 
Hardening : 790 - 820 °C (water)          Soft annealing : 680 - 710 °C 

General and distinctive features :

 
 

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