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S31730 Stainless Steel vs. SAE-AISI 1086 Steel

Both S31730 stainless steel and SAE-AISI 1086 steel are iron alloys. They have 57% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is SAE-AISI 1086 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11
Fatigue Strength, MPa 170
300 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 370
450 to 520
Tensile Strength: Ultimate (UTS), MPa 540
760 to 870
Tensile Strength: Yield (Proof), MPa 200
480 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 990
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.6
1.4
Embodied Energy, MJ/kg 63
19
Embodied Water, L/kg 180
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
79 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 99
610 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
27 to 31
Strength to Weight: Bending, points 18
24 to 26
Thermal Shock Resistance, points 12
26 to 30

Alloy Composition

Carbon (C), % 0 to 0.030
0.8 to 0.93
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 52.4 to 61
98.5 to 98.9
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 15 to 16.5
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0 to 0.050