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AISI Type 205
Category Steel
Class Stainless steel
Type Austenitic standard
Common Names Chromium-Manganese-Nickel steel
Designations  United States: SAE 30205

Composition
ElementWeight %
C  0.12-0.25 
Mn  14.0-15.5 
Si  1.00 
Cr  16.5-18.0 
Ni  1.0-1.75 
P  0.06 
S  0.03 
N  0.32-0.40 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.8 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 197 25  
Tensile Strength (Mpa) 830  25  annealed (plate) 
Yield Strength (Mpa) 475 
Elongation (%) 58 
Reduction in Area (%) 62 
Hardness (HRB) 98 (max)  25  annealed (plate) 

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 17.9  0-315 more  
Specific Heat (J/kg-K) 500  0-100   
Glossary