AISI 314 (S31400) Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density7.7g/cm³
Elastic Modulus200GPa
Tensile Strength590MPa
Yield Strength230MPa
Brinell Hardness180HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.25%
CR
23 to 26%
NI
19 to 22%
MN
0 to 2.0%
SI
1.5 to 3.0%
P
0 to 0.045%
S
0 to 0.030%
FE
46.7 to 56.5%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
45 %
Fatigue Strength
210 MPa
Poisson's Ratio
0.28
Reduction in Area
57 %
Shear Modulus
78 GPa
Shear Strength
410 MPa
Tensile Strength: Ultimate (UTS)
590 MPa
Tensile Strength: Yield (Proof)
230 MPa
Hardness
Brinell Hardness
180
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
330 J/g
Maximum Temperature: Corrosion
440 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1380 °C
Melting Onset (Solidus)
1340 °C
Specific Heat Capacity
490 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
3.9 mm 2 /s
Thermal Expansion
15 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
2.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.3 % IACS
Calculated
PREN (Pitting Resistance)
25
Resilience: Ultimate (Unit Rupture Work)
210 MJ/m 3
Resilience: Unit (Modulus of Resilience)
130 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
25 % relative
Embodied Carbon
4.3 kg CO 2 /kg material
Embodied Energy
62 MJ/kg
Embodied Energy
62 MJ/kg 27 x 10 3 BTU/lb
Embodied Water
190 L/kg
Embodied Water
190 L/kg 23 gal/lb
Registered Designations & Aliases
314AISI 314AISI 314 (S31400) Stainless SteelS31400
Standards
ASTM A473 ASTM A473: Standard Specification for Stainless Steel Forgings
ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
EN 10095 EN 10095: Heat resisting steels and nickel alloys
EN 10095 EN 10095: Heat resisting steels and nickel alloys ASTM A473: Standard Specification for Stainless Steel Forgings Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels