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C53400 Bronze vs. C90500 Gun Metal

Both C53400 bronze and C90500 gun metal are copper alloys. They have a moderately high 93% of their average alloy composition in common. 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 C53400 bronze and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 330 to 720
320

Thermal Properties

Latent Heat of Fusion, J/g 200
190
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1050
1000
Melting Onset (Solidus), °C 950
850
Specific Heat Capacity, J/kg-K 380
370
Thermal Conductivity, W/m-K 69
75
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
11
Electrical Conductivity: Equal Weight (Specific), % IACS 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 32
35
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 49
59
Embodied Water, L/kg 350
390

Common Calculations

Stiffness to Weight: Axial, points 7.0
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 10 to 22
10
Strength to Weight: Bending, points 12 to 20
12
Thermal Diffusivity, mm2/s 21
23
Thermal Shock Resistance, points 12 to 26
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Copper (Cu), % 91.8 to 95.7
86 to 89
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 0.8 to 1.2
0 to 0.3
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0.030 to 0.35
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 3.5 to 5.8
9.0 to 11
Zinc (Zn), % 0 to 0.3
1.0 to 3.0
Residuals, % 0
0 to 0.3