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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
ElementWeight %
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 more  
Glossary