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C64800 Bronze vs. SAE-AISI A7 Steel

C64800 bronze belongs to the copper alloys classification, while SAE-AISI A7 steel belongs to the iron alloys. There are 21 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 C64800 bronze and the bottom bar is SAE-AISI A7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
72
Tensile Strength: Ultimate (UTS), MPa 640
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 220
260
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
37
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 33
10
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
13
Embodied Energy, MJ/kg 43
200
Embodied Water, L/kg 310
100

Common Calculations

Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 20
29 to 77
Strength to Weight: Bending, points 19
25 to 48
Thermal Diffusivity, mm2/s 75
10
Thermal Shock Resistance, points 23
27 to 72

Alloy Composition

Carbon (C), % 0
2.0 to 2.9
Chromium (Cr), % 0 to 0.090
5.0 to 5.8
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
0 to 0.25
Iron (Fe), % 0 to 1.0
81.4 to 87.7
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0 to 0.5
0 to 0.3
Phosphorus (P), % 0 to 0.5
0 to 0.030
Silicon (Si), % 0.2 to 1.0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.5
0
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0