eFunda: Properties of Stainless Steel AISI Type 442
engineering fundamentals Stainless Steel AISI Type 442
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AISI Type 442
Category Steel
Class Stainless steel
Type Ferritic standard
Common Names Chromium steel
Designations  United States: ASTM A176 , SAE 51442 , SAE J405 (51442) , UNS S44200

Composition

ElementWeight %
C  0.20 
Mn  1.00 
Si  1.00 
Cr  18.0-23.0 
P  0.04 
S  0.03 

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) 515  25  annealed (bar) more
Yield Strength (Mpa) 275 
Elongation (%) 20 
Reduction in Area (%)  
Hardness (HRB) 95 (max)  25  annealed (bar) more

Thermal Properties

Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 10.1  20-100 more  
Thermal Conductivity (W/m-K) 21.6  100 more  
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