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S32001 Stainless Steel vs. S20433 Stainless Steel

Both S32001 stainless steel and S20433 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S32001 stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
46
Fatigue Strength, MPa 370
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 450
440
Tensile Strength: Ultimate (UTS), MPa 690
630
Tensile Strength: Yield (Proof), MPa 510
270

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 970
900
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 37
39
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 23
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
230
Resilience: Unit (Modulus of Resilience), kJ/m3 660
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 19.5 to 21.5
17 to 18
Copper (Cu), % 0 to 1.0
1.5 to 3.5
Iron (Fe), % 66.6 to 75.5
64.1 to 72.4
Manganese (Mn), % 4.0 to 6.0
5.5 to 7.5
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 1.0 to 3.0
3.5 to 5.5
Nitrogen (N), % 0.050 to 0.17
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030