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AISI 4419
Category Steel
Class Alloy steel
Type Standard
Common Names Molybdenum steel
Designations  Germany: DIN 1.5419
Italy: UNI G22Mo5
Japan: JIS SCPH 11
United States: ASTM A322 , ASTM A331 , SAE J404 , SAE J412 , SAE J770 , UNS G44190

Composition

ElementWeight %
C  0.18-0.23 
Mn  0.45-0.65 
P  0.035 (max) 
S  0.04 (max) 
Si  0.15-0.30 
Mo  0.45-0.60 

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  
Glossary