High Speed Steel
Cold Work Tool Steel
Hot Work Tool Steel
Plastic Moulding Steel

 

 
 
Equivalent Grades.
American
German
Japanese
China
Poland
(W.Nr.)
(DIN)
AISI T-42
1.3207
HS10-4-3-10
SKH57
-
SK10V

 

 

 

 

 
 
C
Si
Mn
P
S
Cr
Mo
V
W
Co
Ni
AISI T-42
1.25-1.40
0.00-0.40
0.00-0.40
-
-
3.75-4.50
2.75-3.50
2.75-3.25
8.50-9.50
9.00-10.00
0.00-0.40



AISIH T-42
 
 
Steel properties
High performance High Speed steel with very good cutting performance and wear resistance. Its cobalt content also gives it good red strength and high toughness.
 
Applications
All-purpose steel for roughing or finishing tools where first class service performance is essential. Large batch free cutting tools. Blanking tools of all kinds and highly stressed milling tools.
 


For complex geometry tools and for cold forming tools it is recommended that hardening temperatures near the lower limit of the indicated range should be used. The austenisation temperatures shown are valid for salt bath quenching. For vacuum quenching, it is recommended that they be reduced by 10 to 30 deg.C.

 

 


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