AISI 308 (S30800) Stainless Steel
Austenitic & General Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength590MPa
Yield Strength230MPa
Brinell Hardness160HB
Maximum Service Temperature990°C
Chemical Composition
C
0 to 0.080%
CR
19 to 21%
NI
10 to 12%
MN
0 to 2.0%
SI
0 to 0.75%
P
0 to 0.045%
S
0 to 0.030%
FE
64.1 to 71%
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
160
Rockwell B Hardness
76
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
420 °C
Maximum Temperature: Mechanical
990 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.1 mm 2 /s
Thermal Expansion
16 µm/m-K
Thermal Shock Resistance
13 points
Electrical
Electrical Conductivity: Equal Volume
2.4 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.8 % IACS
Calculated
PREN (Pitting Resistance)
20
Resilience: Ultimate (Unit Rupture Work)
210 MJ/m 3
Resilience: Unit (Modulus of Resilience)
140 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
17 % relative
Embodied Carbon
3.2 kg CO 2 /kg material
Embodied Energy
46 MJ/kg
Embodied Energy
46 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 18 gal/lb
Registered Designations & Aliases
308AISI 308AISI 308 (S30800) Stainless SteelS30800
Standards
ASTM A167 ASTM A167: Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
ASTM A167 ASTM A167: Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip ASTM A473: Standard Specification for Stainless Steel Forgings Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
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