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AISI Type 216
Category Steel
Class Stainless steel
Type Austenitic nonstandard
Common Names Chromium-Manganese-Nickel steel
Designations  United States: ASTM A240 , SAE 30216

Composition
ElementWeight %
C  0.08 
Mn  7.5-9.0 
Si  1.00 
Cr  17.5-22.0 
Ni  5.0-7.0 
P  0.045 
S  0.03 
Mo  2.0-3.0 
N  0.25-0.50 

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) 620  25  annealed (sheet, strip) more
Yield Strength (Mpa) 345 
Elongation (%) 40 
Reduction in Area (%)  
Hardness (HRB) 100 (max)  25  annealed (sheet, strip) more
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