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S32808 Stainless Steel vs. S41003 Stainless Steel

Both S32808 stainless steel and S41003 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common.

For each property being compared, the top bar is S32808 stainless steel and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
200
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
21
Fatigue Strength, MPa 350
200
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 28
17
Shear Modulus, GPa 81
76
Shear Strength, MPa 480
320
Tensile Strength: Ultimate (UTS), MPa 780
520
Tensile Strength: Yield (Proof), MPa 570
310

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
720
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.9
Embodied Energy, MJ/kg 57
27
Embodied Water, L/kg 180
97

Common Calculations

PREN (Pitting Resistance) 40
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
92
Resilience: Unit (Modulus of Resilience), kJ/m3 790
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 3.8
7.2
Thermal Shock Resistance, points 21
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 27 to 27.9
10.5 to 12.5
Iron (Fe), % 58.1 to 62.8
83.4 to 89.5
Manganese (Mn), % 0 to 1.1
0 to 1.5
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 7.0 to 8.2
0 to 1.5
Nitrogen (N), % 0.3 to 0.4
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 2.1 to 2.5
0