UNS S32803 Stainless Steel
Ferritic Stainless Steels
Property Overview
Density7.7g/cm³
Elastic Modulus210GPa
Tensile Strength680MPa
Yield Strength560MPa
Brinell Hardness210HB
Maximum Service Temperature1100°C
Chemical Composition
C
0 to 0.015%
CR
28 to 29%
NI
3.0 to 4.0%
MO
1.8 to 2.5%
MN
0 to 0.5%
SI
0 to 0.55%
N
0 to 0.020%
P
0 to 0.020%
S
0 to 0.0035%
NB
0.15 to 0.5%
FE
62.9 to 67.1%
Mechanical
Elastic (Young's, Tensile) Modulus
210 GPa
Elongation at Break
18 %
Fatigue Strength
350 MPa
Poisson's Ratio
0.27
Shear Modulus
81 GPa
Shear Strength
420 MPa
Tensile Strength: Ultimate (UTS)
680 MPa
Tensile Strength: Yield (Proof)
560 MPa
Hardness
Brinell Hardness
210
Rockwell B Hardness
86
Physical
Density
7.7 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
510 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1450 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.4 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
22 points
Electrical
Electrical Conductivity: Equal Volume
2.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.6 % IACS
Calculated
PREN (Pitting Resistance)
36
Resilience: Ultimate (Unit Rupture Work)
120 MJ/m 3
Resilience: Unit (Modulus of Resilience)
760 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
25 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
19 % relative
Embodied Carbon
3.7 kg CO 2 /kg material
Embodied Energy
53 MJ/kg
Embodied Energy
53 MJ/kg 23 x 10 3 BTU/lb
Embodied Water
180 L/kg
Embodied Water
180 L/kg 22 gal/lb
Registered Designations & Aliases
S32803UNS S32803 Stainless Steel
Standards
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 A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels Corrosion of Stainless Steels, A. John Sedriks, 1996
ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels