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SAE-AISI M50 Steel vs. C51900 Bronze

SAE-AISI M50 steel belongs to the iron alloys classification, while C51900 bronze belongs to the copper alloys. There are 23 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 M50 steel and the bottom bar is C51900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 75
42
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Melting Completion (Liquidus), °C 1480
1040
Melting Onset (Solidus), °C 1440
930
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 35
66
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
14
Electrical Conductivity: Equal Weight (Specific), % IACS 10
14

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
33
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 5.1
3.2
Embodied Energy, MJ/kg 74
51
Embodied Water, L/kg 83
360

Common Calculations

Stiffness to Weight: Axial, points 14
7.0
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 26 to 80
12 to 19
Strength to Weight: Bending, points 23 to 49
13 to 18
Thermal Diffusivity, mm2/s 9.7
20
Thermal Shock Resistance, points 21 to 66
14 to 22

Alloy Composition

Carbon (C), % 0.78 to 0.88
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
91.7 to 95
Iron (Fe), % 87 to 90.4
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.45
0
Molybdenum (Mo), % 3.9 to 4.8
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0.030 to 0.35
Silicon (Si), % 0.2 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
5.0 to 7.0
Vanadium (V), % 0.8 to 1.3
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.5