UNS S32808 Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.9g/cm³
Elastic Modulus210GPa
Tensile Strength780MPa
Yield Strength570MPa
Brinell Hardness270HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.030%
CR
27 to 27.9%
NI
7.0 to 8.2%
MO
0.8 to 1.2%
MN
0 to 1.1%
SI
0 to 0.5%
N
0.3 to 0.4%
P
0 to 0.030%
S
0 to 0.010%
W
2.1 to 2.5%
FE
58.1 to 62.8%
Mechanical
Elastic (Young's, Tensile) Modulus
210 GPa
Elongation at Break
17 %
Fatigue Strength
350 MPa
Poisson's Ratio
0.27
Shear Modulus
81 GPa
Shear Strength
480 MPa
Tensile Strength: Ultimate (UTS)
780 MPa
Tensile Strength: Yield (Proof)
570 MPa
Hardness
Brinell Hardness
270
Rockwell C Hardness
28
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
460 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1470 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
14 W/m-K
Thermal Diffusivity
3.8 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
21 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.4 % IACS
Calculated
PREN (Pitting Resistance)
40
Resilience: Ultimate (Unit Rupture Work)
120 MJ/m 3
Resilience: Unit (Modulus of Resilience)
790 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
27 points
Strength to Weight: Bending
24 points
Environmental
Base Metal Price
24 % relative
Embodied Carbon
4.0 kg CO 2 /kg material
Embodied Energy
57 MJ/kg
Embodied Energy
57 MJ/kg 25 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 22 gal/lb
Registered Designations & Aliases
S32808UNS S32808 Stainless Steel
Standards
ASTM A182 ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications