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SAE-AISI 5160 Steel vs. S45503 Stainless Steel

Both SAE-AISI 5160 steel and S45503 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 5160 steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 340
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 18
4.6 to 6.8
Fatigue Strength, MPa 180 to 650
710 to 800
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 390 to 700
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 660 to 1150
1610 to 1850
Tensile Strength: Yield (Proof), MPa 280 to 1010
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
760
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 19
48
Embodied Water, L/kg 50
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 160
82 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 41
57 to 65
Strength to Weight: Bending, points 22 to 31
39 to 43
Thermal Shock Resistance, points 19 to 34
56 to 64

Alloy Composition

Carbon (C), % 0.56 to 0.61
0 to 0.010
Chromium (Cr), % 0.7 to 0.9
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 97.1 to 97.8
72.4 to 78.9
Manganese (Mn), % 0.75 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0.15 to 0.35
0 to 0.2
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4