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AISI 1340H
Category Steel
Class Alloy steel
Type H-steel
Common Names Manganese steel
Designations  Germany: DIN 1.5069
United States: ASTM A304 , SAE J1268 , UNS H13400

Composition

ElementWeight %
C  0.37-0.44 
Mn  1.45-2.05 
P  0.035 
S  0.040 
Si  0.15-0.30 

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  
Tensile Strength (Mpa) 703  25  annealed at 800°C  more
Yield Strength (Mpa) 434 
Elongation (%) 25.5 
Reduction in Area (%) 57 
Hardness (HB) 207  25  annealed at 800°C more
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