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SAE-AISI 5160 Steel vs. S38100 Stainless Steel

Both SAE-AISI 5160 steel and S38100 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5160 steel and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 340
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 18
45
Fatigue Strength, MPa 180 to 650
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 390 to 700
400
Tensile Strength: Ultimate (UTS), MPa 660 to 1150
580
Tensile Strength: Yield (Proof), MPa 280 to 1010
230

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
970
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.8
Embodied Energy, MJ/kg 19
54
Embodied Water, L/kg 50
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 160
210
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 2700
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 41
21
Strength to Weight: Bending, points 22 to 31
20
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 19 to 34
13

Alloy Composition

Carbon (C), % 0.56 to 0.61
0 to 0.080
Chromium (Cr), % 0.7 to 0.9
17 to 19
Iron (Fe), % 97.1 to 97.8
57.9 to 64
Manganese (Mn), % 0.75 to 1.0
0 to 2.0
Nickel (Ni), % 0
17.5 to 18.5
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
1.5 to 2.5
Sulfur (S), % 0 to 0.040
0 to 0.030