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EN 1.7231 Steel vs. C67300 Bronze

EN 1.7231 steel belongs to the iron alloys classification, while C67300 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7231 steel and the bottom bar is C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 12
12
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
41
Tensile Strength: Ultimate (UTS), MPa 790 to 930
500
Tensile Strength: Yield (Proof), MPa 570 to 800
340

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 420
130
Melting Completion (Liquidus), °C 1460
870
Melting Onset (Solidus), °C 1420
830
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 46
95
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
22
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
25

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
46
Embodied Water, L/kg 51
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 100
55
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 1700
550
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 28 to 33
17
Strength to Weight: Bending, points 24 to 27
17
Thermal Diffusivity, mm2/s 12
30
Thermal Shock Resistance, points 23 to 27
16

Alloy Composition


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Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0.38 to 0.45
0
Chromium (Cr), % 0.8 to 1.2
0
Copper (Cu), % 0
58 to 63
Iron (Fe), % 96.4 to 98.1
0 to 0.5
Lead (Pb), % 0
0.4 to 3.0
Manganese (Mn), % 0.6 to 1.0
2.0 to 3.5
Molybdenum (Mo), % 0.15 to 0.3
0
Nickel (Ni), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0.5 to 1.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
27.2 to 39.1
Residuals, % 0
0 to 0.5