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EN 1.7240 Steel vs. C31400 Bronze

EN 1.7240 steel belongs to the iron alloys classification, while C31400 bronze belongs to the copper alloys. There are 24 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 EN 1.7240 steel and the bottom bar is C31400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 670 to 1990
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 420
180
Melting Completion (Liquidus), °C 1460
1040
Melting Onset (Solidus), °C 1410
1010
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 44
180
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
42
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
43

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
29
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.5
2.6
Embodied Energy, MJ/kg 20
42
Embodied Water, L/kg 50
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 24 to 71
8.7 to 13
Strength to Weight: Bending, points 22 to 45
11 to 14
Thermal Diffusivity, mm2/s 12
54
Thermal Shock Resistance, points 20 to 59
9.6 to 15

Alloy Composition

Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.7 to 1.0
0
Copper (Cu), % 0
87.5 to 90.5
Iron (Fe), % 96.7 to 97.9
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 0.7 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
0 to 0.7
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
5.8 to 11.2
Residuals, % 0
0 to 0.4