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C69710 Brass vs. C90400 Bronze

Both C69710 brass and C90400 bronze are copper alloys. They have 81% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
24
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 470
310
Tensile Strength: Yield (Proof), MPa 230
180

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 930
990
Melting Onset (Solidus), °C 880
850
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 40
75
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
34
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 2.7
3.5
Embodied Energy, MJ/kg 44
56
Embodied Water, L/kg 310
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
65
Resilience: Unit (Modulus of Resilience), kJ/m3 250
150
Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
10
Strength to Weight: Bending, points 16
12
Thermal Diffusivity, mm2/s 12
23
Thermal Shock Resistance, points 16
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Arsenic (As), % 0.030 to 0.060
0
Boron (B), % 0
0 to 0.1
Copper (Cu), % 75 to 80
86 to 89
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 0.5 to 1.5
0 to 0.090
Manganese (Mn), % 0 to 0.4
0 to 0.010
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 2.5 to 3.5
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 13.8 to 22
1.0 to 5.0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7