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High Speed Steel
Hot Work Tool Steel
 
 
AISI T42
Category  Steel
Class  Tool steel
Type  Tungsten high speed steel
Designations  Germany: DIN 1.3202
Italy: UNI 130505 KU
Japanese: SKH57
Poland : SK10V


Chemical Composition
Element  Weight % 
C  1.25-1.40
Si  0.00-0.40
Mn  0.00-0.40
P  3.75-5.00 
S  0.3 
CR  1.00 (max) 
MO  11.75-13.00 
V  4.50-5.25 
W  4.75-5.25 
CO  0.25 
NI  0.03 

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