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AISI Type 414
Category Steel
Class Stainless steel
Type Martensitic standard
Common Names Chromium steel
Designations  United States: AMS 5615 , ASTM A276 , ASTM A314 , ASTM A473 , ASTM A511 , ASTM A580 , FED QQ-S-763 , SAE 51414 , SAE J405 (51414) , UNS S41400

Composition
ElementWeight %
C  0.15 
Mn  1.00 
Si  1.00 
Cr  11.5-13.5 
Ni  1.25-2.50 
P  0.04 
S  0.03 

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) 200 25  
Tensile Strength (Mpa) 1030  25  annealed, cold finished (wire) more
Yield Strength (Mpa)  
Elongation (%)  
Reduction in Area (%)  

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 10.4  0-100 more  
Thermal Conductivity (W/m-K) 24.9  100 more  
Specific Heat (J/kg-K) 460  0-100   

Electric Properties
Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 700  25   
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