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S20910 Stainless Steel vs. S32808 Stainless Steel

Both S20910 stainless steel and S32808 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 39
17
Fatigue Strength, MPa 310 to 460
350
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
81
Shear Strength, MPa 500 to 570
480
Tensile Strength: Ultimate (UTS), MPa 780 to 940
780
Tensile Strength: Yield (Proof), MPa 430 to 810
570

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
460
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
14
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
24
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
4.0
Embodied Energy, MJ/kg 68
57
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 34
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
27
Strength to Weight: Bending, points 24 to 27
24
Thermal Diffusivity, mm2/s 3.6
3.8
Thermal Shock Resistance, points 17 to 21
21

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 20.5 to 23.5
27 to 27.9
Iron (Fe), % 52.1 to 62.1
58.1 to 62.8
Manganese (Mn), % 4.0 to 6.0
0 to 1.1
Molybdenum (Mo), % 1.5 to 3.0
0.8 to 1.2
Nickel (Ni), % 11.5 to 13.5
7.0 to 8.2
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
2.1 to 2.5
Vanadium (V), % 0.1 to 0.3
0