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C69430 Brass vs. C94700 Bronze

Both C69430 brass and C94700 bronze are copper alloys. They have 84% 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 C69430 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, % 17
7.9 to 32
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
43
Tensile Strength: Ultimate (UTS), MPa 570
350 to 590
Tensile Strength: Yield (Proof), MPa 280
160 to 400

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 920
1030
Melting Onset (Solidus), °C 820
900
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 26
54
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
12
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 27
34
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 44
56
Embodied Water, L/kg 300
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
41 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 340
110 to 700
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19
11 to 19
Strength to Weight: Bending, points 18
13 to 18
Thermal Diffusivity, mm2/s 7.7
16
Thermal Shock Resistance, points 20
12 to 21

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.15
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 80 to 83
85 to 90
Iron (Fe), % 0 to 0.2
0 to 0.25
Lead (Pb), % 0 to 0.3
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), % 3.5 to 4.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
4.5 to 6.0
Zinc (Zn), % 11.4 to 16.5
1.0 to 2.5
Residuals, % 0
0 to 1.3