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S45500 Stainless Steel vs. S20433 Stainless Steel

Both S45500 stainless steel and S20433 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S45500 stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 500
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 3.4 to 11
46
Fatigue Strength, MPa 570 to 890
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 790 to 1090
440
Tensile Strength: Ultimate (UTS), MPa 1370 to 1850
630
Tensile Strength: Yield (Proof), MPa 1240 to 1700
270

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 620
410
Maximum Temperature: Mechanical, °C 760
900
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.7
Embodied Energy, MJ/kg 57
39
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 13
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 190
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 48 to 65
23
Strength to Weight: Bending, points 35 to 42
21
Thermal Shock Resistance, points 48 to 64
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 11 to 12.5
17 to 18
Copper (Cu), % 1.5 to 2.5
1.5 to 3.5
Iron (Fe), % 71.5 to 79.2
64.1 to 72.4
Manganese (Mn), % 0 to 0.5
5.5 to 7.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 7.5 to 9.5
3.5 to 5.5
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.8 to 1.4
0