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S32808 Stainless Steel vs. S45503 Stainless Steel

Both S32808 stainless steel and S45503 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S32808 stainless steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
4.6 to 6.8
Fatigue Strength, MPa 350
710 to 800
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 28
46 to 54
Shear Modulus, GPa 81
75
Shear Strength, MPa 480
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 780
1610 to 1850
Tensile Strength: Yield (Proof), MPa 570
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
640
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
15
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.0
3.4
Embodied Energy, MJ/kg 57
48
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 40
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
57 to 65
Strength to Weight: Bending, points 24
39 to 43
Thermal Shock Resistance, points 21
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 27 to 27.9
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 58.1 to 62.8
72.4 to 78.9
Manganese (Mn), % 0 to 1.1
0 to 0.5
Molybdenum (Mo), % 0.8 to 1.2
0 to 0.5
Nickel (Ni), % 7.0 to 8.2
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4
Tungsten (W), % 2.1 to 2.5
0