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C43400 Brass vs. C94700 Bronze

Both C43400 brass and C94700 bronze are copper alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C43400 brass and the bottom bar is C94700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 3.0 to 49
7.9 to 32
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 310 to 690
350 to 590
Tensile Strength: Yield (Proof), MPa 110 to 560
160 to 400

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 1020
1030
Melting Onset (Solidus), °C 990
900
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 140
54
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
12
Electrical Conductivity: Equal Weight (Specific), % IACS 32
12

Otherwise Unclassified Properties

Base Metal Price, % relative 28
34
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 44
56
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
41 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
110 to 700
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 10 to 22
11 to 19
Strength to Weight: Bending, points 12 to 20
13 to 18
Thermal Diffusivity, mm2/s 41
16
Thermal Shock Resistance, points 11 to 24
12 to 21

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Copper (Cu), % 84 to 87
85 to 90
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.1
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
4.5 to 6.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.4 to 1.0
4.5 to 6.0
Zinc (Zn), % 11.4 to 15.6
1.0 to 2.5
Residuals, % 0
0 to 1.3