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C69710 Brass vs. C67400 Bronze

Both C69710 brass and C67400 bronze are copper alloys. They have 78% of their average alloy composition in common. There are 29 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 C69710 brass and the bottom bar is C67400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
22 to 28
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
41
Shear Strength, MPa 300
310 to 350
Tensile Strength: Ultimate (UTS), MPa 470
480 to 610
Tensile Strength: Yield (Proof), MPa 230
250 to 370

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 930
890
Melting Onset (Solidus), °C 880
870
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 40
100
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
26

Otherwise Unclassified Properties

Base Metal Price, % relative 26
23
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
48
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
300 to 660
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
17 to 22
Strength to Weight: Bending, points 16
17 to 20
Thermal Diffusivity, mm2/s 12
32
Thermal Shock Resistance, points 16
16 to 20

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
57 to 60
Iron (Fe), % 0 to 0.2
0 to 0.35
Lead (Pb), % 0.5 to 1.5
0 to 0.5
Manganese (Mn), % 0 to 0.4
2.0 to 3.5
Nickel (Ni), % 0
0 to 0.25
Silicon (Si), % 2.5 to 3.5
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 13.8 to 22
31.1 to 40
Residuals, % 0
0 to 0.5