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S20910 Stainless Steel vs. SAE-AISI 1146 Steel

Both S20910 stainless steel and SAE-AISI 1146 steel are iron alloys. They have 58% 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 SAE-AISI 1146 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
13 to 17
Fatigue Strength, MPa 310 to 460
240 to 400
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56 to 62
40 to 45
Shear Modulus, GPa 79
72
Shear Strength, MPa 500 to 570
410 to 440
Tensile Strength: Ultimate (UTS), MPa 780 to 940
670 to 730
Tensile Strength: Yield (Proof), MPa 430 to 810
360 to 630

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 68
18
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
340 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
24 to 26
Strength to Weight: Bending, points 24 to 27
22 to 23
Thermal Diffusivity, mm2/s 3.6
14
Thermal Shock Resistance, points 17 to 21
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.060
0.42 to 0.49
Chromium (Cr), % 20.5 to 23.5
0
Iron (Fe), % 52.1 to 62.1
98.3 to 98.8
Manganese (Mn), % 4.0 to 6.0
0.7 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
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
Sulfur (S), % 0 to 0.030
0.080 to 0.13
Vanadium (V), % 0.1 to 0.3
0

Comparable Variants