eFunda: Properties of Alloy Steel ASTM A203 Grade D
engineering fundamentals Alloy Steel ASTM A203 Grade D
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ASTM A203 Grade D
Category Steel
Class Alloy steel
Designations United States: UNS K31718

Composition

ElementWeight %
C  0.20 
Mn  0.8 
P  0.035 
S  0.04 
Si  0.15-0.30 
Ni  3.25-3.75 

Mechanical Properties

Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
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