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EN 1.6781 Steel vs. C54400 Bronze

EN 1.6781 steel belongs to the iron alloys classification, while C54400 bronze belongs to the copper alloys. There are 24 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 EN 1.6781 steel and the bottom bar is C54400 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 73
40
Tensile Strength: Ultimate (UTS), MPa 830
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 260
190
Maximum Temperature: Mechanical, °C 450
170
Melting Completion (Liquidus), °C 1460
1000
Melting Onset (Solidus), °C 1420
930
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 44
86
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
19
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
19

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
31
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 1.9
2.9
Embodied Energy, MJ/kg 25
48
Embodied Water, L/kg 60
340

Common Calculations

Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 29
10 to 22
Strength to Weight: Bending, points 25
12 to 20
Thermal Diffusivity, mm2/s 12
26
Thermal Shock Resistance, points 24
12 to 26

Alloy Composition

Carbon (C), % 0.15 to 0.19
0
Chromium (Cr), % 1.3 to 1.8
0
Copper (Cu), % 0
85.4 to 91.5
Iron (Fe), % 92.6 to 94.6
0 to 0.1
Lead (Pb), % 0
3.5 to 4.5
Manganese (Mn), % 0.55 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 3.0 to 3.5
0
Phosphorus (P), % 0 to 0.015
0.010 to 0.5
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
3.5 to 4.5
Zinc (Zn), % 0
1.5 to 4.5
Residuals, % 0
0 to 0.5