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S40910 Stainless Steel vs. SAE-AISI 1086 Steel

Both S40910 stainless steel and SAE-AISI 1086 steel are iron alloys. They have 88% 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 S40910 stainless steel and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
11
Fatigue Strength, MPa 130
300 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Shear Strength, MPa 270
450 to 520
Tensile Strength: Ultimate (UTS), MPa 430
760 to 870
Tensile Strength: Yield (Proof), MPa 190
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 270
240
Maximum Temperature: Mechanical, °C 710
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
50
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 94
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 94
610 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
27 to 31
Strength to Weight: Bending, points 16
24 to 26
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 16
26 to 30

Alloy Composition

Carbon (C), % 0 to 0.030
0.8 to 0.93
Chromium (Cr), % 10.5 to 11.7
0
Iron (Fe), % 85 to 89.5
98.5 to 98.9
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.17
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0 to 0.050
Titanium (Ti), % 0 to 0.5
0