eFunda: Properties of Stainless Steel AISI Type 404
engineering fundamentals Stainless Steel AISI Type 404
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AISI Type 404
Category Steel
Class Stainless steel
Type Ferritic nonstandard
Common Names Chromium steel
Designations  United States: SAE 51404

Composition

ElementWeight %
C  0.05 
Mn  1.00 
Si  0.50 
Cr  11.0-12.5 
Ni  1.25-2.00 
P  0.03 
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) 1120  25  tempered at 260°C (bar) more
Yield Strength (Mpa) 910 
Elongation (%) 15 
Reduction in Area (%) 50 
Hardness (HRC) 35  25  tempered at 260°C (bar) more
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