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C94700 Bronze vs. C87200 Bronze

Both C94700 bronze and C87200 bronze are copper alloys. They have a moderately high 90% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C94700 bronze and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.9 to 32
30
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Tensile Strength: Ultimate (UTS), MPa 350 to 590
380
Tensile Strength: Yield (Proof), MPa 160 to 400
170

Thermal Properties

Latent Heat of Fusion, J/g 200
260
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 1030
970
Melting Onset (Solidus), °C 900
860
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 54
28
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
29
Density, g/cm3 8.8
8.6
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 56
44
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 89
93
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 700
130
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11 to 19
12
Strength to Weight: Bending, points 13 to 18
14
Thermal Diffusivity, mm2/s 16
8.0
Thermal Shock Resistance, points 12 to 21
14

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 1.5
Antimony (Sb), % 0 to 0.15
0
Copper (Cu), % 85 to 90
89 to 99
Iron (Fe), % 0 to 0.25
0 to 2.5
Lead (Pb), % 0 to 0.1
0 to 0.5
Manganese (Mn), % 0 to 0.2
0 to 1.5
Nickel (Ni), % 4.5 to 6.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.5
Silicon (Si), % 0 to 0.0050
1.0 to 5.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 4.5 to 6.0
0 to 1.0
Zinc (Zn), % 1.0 to 2.5
0 to 5.0
Residuals, % 0 to 1.3
0