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AISI 81B45H
Category Steel
Class Alloy steel
Type H-steel
Common Names Boron steel
Designations  United States: ASTM A304 , SAE J1268 , UNS H81451

Composition

ElementWeight %
C  0.42-0.49 
Mn  0.70-1.05 
Cr  0.30-0.60 
Ni  0.15-0.45 
Mo  0.08-0.15 
P  0.035 
S  0.040 
Si  0.15-0.30 
B  0.0005-0.003 

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