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AISI Type 317L
Category Steel
Class Stainless steel
Type Austenitic standard
Common Names Chromium-Nickel steel
Designations  France: AFNOR Z 2 CND 19.15
Germany: DIN 1.4438
Sweden: SS 2367
United Kingdom: B.S. 317 S 12
United States: ASME SA240 , ASTM A167 , ASTM A240 , SAE 30317L , UNS S31703

Composition
ElementWeight %
C  0.03 
Mn  2.00 
Si  1.00 
Cr  18.0-20.0 
Ni  11.0-15.0 
P  0.045 
S  0.03 
Mo  3.0-4.0 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 8 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 200 25  
Tensile Strength (Mpa) 585  25  annealed (plate, sheet, strip) more
Yield Strength (Mpa) 240 
Elongation (%) 55 
Reduction in Area (%) 65 
Hardness (HRB) 85 (max)  25  annealed (plate, sheet, strip) more

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 16.5  0-100 more  
Thermal Conductivity (W/m-K) 14.4  100   
Specific Heat (J/kg-K) 500  0-100   

Electric Properties
Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 790  25   
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