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S32808 Stainless Steel vs. S20910 Stainless Steel

Both S32808 stainless steel and S20910 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 S32808 stainless steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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