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S20910 Stainless Steel vs. S32001 Stainless Steel

Both S20910 stainless steel and S32001 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is S32001 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 39
28
Fatigue Strength, MPa 310 to 460
370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 500 to 570
450
Tensile Strength: Ultimate (UTS), MPa 780 to 940
690
Tensile Strength: Yield (Proof), MPa 430 to 810
510

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
430
Maximum Temperature: Mechanical, °C 1080
970
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.6
Embodied Energy, MJ/kg 68
37
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 34
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
180
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
25
Strength to Weight: Bending, points 24 to 27
23
Thermal Diffusivity, mm2/s 3.6
4.0
Thermal Shock Resistance, points 17 to 21
19

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 20.5 to 23.5
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 52.1 to 62.1
66.6 to 75.5
Manganese (Mn), % 4.0 to 6.0
4.0 to 6.0
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.6
Nickel (Ni), % 11.5 to 13.5
1.0 to 3.0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0.050 to 0.17
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0