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SAE-AISI 50B60 Steel vs. S45503 Stainless Steel

Both SAE-AISI 50B60 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 50B60 steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 20
4.6 to 6.8
Fatigue Strength, MPa 240 to 330
710 to 800
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Shear Strength, MPa 380
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 610 to 630
1610 to 1850
Tensile Strength: Yield (Proof), MPa 350 to 530
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
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 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
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 48
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 100
82 to 110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 23
57 to 65
Strength to Weight: Bending, points 20 to 21
39 to 43
Thermal Shock Resistance, points 20
56 to 64

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.56 to 0.64
0 to 0.010
Chromium (Cr), % 0.4 to 0.6
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 97.3 to 98.1
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