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SAE-AISI 1086 Steel vs. S35125 Stainless Steel

Both SAE-AISI 1086 steel and S35125 stainless steel are iron alloys. They have 41% 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 SAE-AISI 1086 steel and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
39
Fatigue Strength, MPa 300 to 360
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 450 to 520
370
Tensile Strength: Ultimate (UTS), MPa 760 to 870
540
Tensile Strength: Yield (Proof), MPa 480 to 580
230

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.4
Embodied Energy, MJ/kg 19
89
Embodied Water, L/kg 45
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 84
170
Resilience: Unit (Modulus of Resilience), kJ/m3 610 to 890
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 31
19
Strength to Weight: Bending, points 24 to 26
18
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 26 to 30
12

Alloy Composition

Carbon (C), % 0.8 to 0.93
0 to 0.1
Chromium (Cr), % 0
20 to 23
Iron (Fe), % 98.5 to 98.9
36.2 to 45.8
Manganese (Mn), % 0.3 to 0.5
1.0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.015