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SAE-AISI 5160 Steel vs. S21460 Stainless Steel

Both SAE-AISI 5160 steel and S21460 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5160 steel and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 340
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 18
46
Fatigue Strength, MPa 180 to 650
390
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 390 to 700
580
Tensile Strength: Ultimate (UTS), MPa 660 to 1150
830
Tensile Strength: Yield (Proof), MPa 280 to 1010
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
920
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
14
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 19
43
Embodied Water, L/kg 50
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 160
320
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 2700
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 41
30
Strength to Weight: Bending, points 22 to 31
26
Thermal Shock Resistance, points 19 to 34
17

Alloy Composition

Carbon (C), % 0.56 to 0.61
0 to 0.12
Chromium (Cr), % 0.7 to 0.9
17 to 19
Iron (Fe), % 97.1 to 97.8
57.3 to 63.7
Manganese (Mn), % 0.75 to 1.0
14 to 16
Nickel (Ni), % 0
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030