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S20910 Stainless Steel vs. S32803 Stainless Steel

Both S20910 stainless steel and S32803 stainless steel are iron alloys. They have 86% 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 S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 14 to 39
18
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
420
Tensile Strength: Ultimate (UTS), MPa 780 to 940
680
Tensile Strength: Yield (Proof), MPa 430 to 810
560

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
510
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
19
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
3.7
Embodied Energy, MJ/kg 68
53
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 34
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
25
Strength to Weight: Bending, points 24 to 27
22
Thermal Diffusivity, mm2/s 3.6
4.4
Thermal Shock Resistance, points 17 to 21
22

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.015
Chromium (Cr), % 20.5 to 23.5
28 to 29
Iron (Fe), % 52.1 to 62.1
62.9 to 67.1
Manganese (Mn), % 4.0 to 6.0
0 to 0.5
Molybdenum (Mo), % 1.5 to 3.0
1.8 to 2.5
Nickel (Ni), % 11.5 to 13.5
3.0 to 4.0
Niobium (Nb), % 0.1 to 0.3
0.15 to 0.5
Nitrogen (N), % 0.2 to 0.4
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.0035
Vanadium (V), % 0.1 to 0.3
0