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High Speed Steel
Cold Work Tool Steel
Hot Work Tool Steel
 
 
AISI D3 
Category  Steel
Class  Tool steel
Type  High-carbon, high-chromium cold work steel
Designations  France: AFNOR Z 200 C 12
Germany: DIN 1.2080
Italy: UNI X 21O Cr 13 KU
Japan: JIS SKD1
United Kingdom: B.S. BD 3
United States: ASTM A681 , FED QQ-T-570 , SAE J437 , SAE J438 , UNS T30403
Composition
Element  Weight % 
C  2.00-2.35 
Mn  0.60 
Si  0.60 
Cr  11.00-13.50 
Ni  0.30 
W  1.00 
V  1.00 
Cu  0.25 
P  0.03 
S  0.03 
Mechanical Properties
Properties  Conditions 
T (°C) Treatment
Density (×1000 kg/m3)   7.7 25
Poisson's Ratio   0.27-0.30 25
Elastic Modulus (GPa)   190-210 25
Thermal Properties
Properties  Conditions 
T (°C) Treatment
Thermal Expansion (10-6/ºC)   12   20-100
 

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