UNS S32520 Stainless Steel
Duplex Stainless Steels
Property Overview
Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength860MPa
Yield Strength630MPa
Brinell Hardness270HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.030%
CR
24 to 26%
NI
5.5 to 8.0%
MO
3.0 to 4.0%
MN
0 to 1.5%
SI
0 to 0.8%
N
0.2 to 0.35%
P
0 to 0.035%
S
0 to 0.020%
CU
0.5 to 2.0%
FE
57.3 to 66.8%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
28 %
Fatigue Strength
460 MPa
Poisson's Ratio
0.27
Reduction in Area
46 %
Shear Modulus
80 GPa
Shear Strength
560 MPa
Tensile Strength: Ultimate (UTS)
860 MPa
Tensile Strength: Yield (Proof)
630 MPa
Hardness
Brinell Hardness
270
Rockwell C Hardness
28
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
15 W/m-K
Thermal Diffusivity
4.1 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
24 points
Electrical
Electrical Conductivity: Equal Volume
2.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.5 % IACS
Calculated
PREN (Pitting Resistance)
41
Resilience: Ultimate (Unit Rupture Work)
220 MJ/m 3
Resilience: Unit (Modulus of Resilience)
960 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
31 points
Strength to Weight: Bending
26 points
Environmental
Base Metal Price
20 % relative
Embodied Carbon
4.0 kg CO 2 /kg material
Embodied Energy
55 MJ/kg
Embodied Energy
55 MJ/kg 23 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 22 gal/lb
Registered Designations & Aliases
S32520UNS S32520 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
ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels