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S20910 Stainless Steel vs. S66286 Stainless Steel

Both S20910 stainless steel and S66286 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 30 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 S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
17 to 40
Fatigue Strength, MPa 310 to 460
240 to 410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
75
Shear Strength, MPa 500 to 570
420 to 630
Tensile Strength: Ultimate (UTS), MPa 780 to 940
620 to 1020
Tensile Strength: Yield (Proof), MPa 430 to 810
280 to 670

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
780
Maximum Temperature: Mechanical, °C 1080
920
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
6.0
Embodied Energy, MJ/kg 68
87
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 34
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
150 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
190 to 1150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
22 to 36
Strength to Weight: Bending, points 24 to 27
20 to 28
Thermal Diffusivity, mm2/s 3.6
4.0
Thermal Shock Resistance, points 17 to 21
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 20.5 to 23.5
13.5 to 16
Iron (Fe), % 52.1 to 62.1
49.1 to 59.5
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
1.0 to 1.5
Nickel (Ni), % 11.5 to 13.5
24 to 27
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
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
Titanium (Ti), % 0
1.9 to 2.4
Vanadium (V), % 0.1 to 0.3
0.1 to 0.5

Comparable Variants