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C64800 Bronze vs. EN 1.7720 Steel

C64800 bronze belongs to the copper alloys classification, while EN 1.7720 steel belongs to the iron 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 C64800 bronze and the bottom bar is EN 1.7720 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.0
19
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
73
Tensile Strength: Ultimate (UTS), MPa 640
590
Tensile Strength: Yield (Proof), MPa 630
340

Thermal Properties

Latent Heat of Fusion, J/g 220
250
Maximum Temperature: Mechanical, °C 200
410
Melting Completion (Liquidus), °C 1090
1470
Melting Onset (Solidus), °C 1030
1430
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 260
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 65
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 66
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.8
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.2
Embodied Energy, MJ/kg 43
30
Embodied Water, L/kg 310
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51
97
Resilience: Unit (Modulus of Resilience), kJ/m3 1680
300
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 75
11
Thermal Shock Resistance, points 23
17

Alloy Composition

Carbon (C), % 0
0.1 to 0.15
Chromium (Cr), % 0 to 0.090
0.3 to 0.5
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
0 to 0.3
Iron (Fe), % 0 to 1.0
96.6 to 98.6
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0.4 to 0.7
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0 to 0.5
0 to 0.4
Phosphorus (P), % 0 to 0.5
0 to 0.030
Silicon (Si), % 0.2 to 1.0
0 to 0.45
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.5
0
Vanadium (V), % 0
0.22 to 0.3
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0