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S32654 Stainless Steel vs. S20433 Stainless Steel

Both S32654 stainless steel and S20433 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 68% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S32654 stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
46
Fatigue Strength, MPa 450
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
76
Shear Strength, MPa 590
440
Tensile Strength: Ultimate (UTS), MPa 850
630
Tensile Strength: Yield (Proof), MPa 490
270

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 34
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.4
2.7
Embodied Energy, MJ/kg 87
39
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 57
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
230
Resilience: Unit (Modulus of Resilience), kJ/m3 570
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
23
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 24 to 25
17 to 18
Copper (Cu), % 0.3 to 0.6
1.5 to 3.5
Iron (Fe), % 38.3 to 45.3
64.1 to 72.4
Manganese (Mn), % 2.0 to 4.0
5.5 to 7.5
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
3.5 to 5.5
Nitrogen (N), % 0.45 to 0.55
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030