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C87900 Brass vs. C61500 Bronze

Both C87900 brass and C61500 bronze are copper alloys. They have 66% 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 C87900 brass and the bottom bar is C61500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
3.0 to 55
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 480
480 to 970
Tensile Strength: Yield (Proof), MPa 240
150 to 720

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 930
1040
Melting Onset (Solidus), °C 900
1030
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 120
58
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
13
Electrical Conductivity: Equal Weight (Specific), % IACS 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 46
52
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
27 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 270
100 to 2310
Stiffness to Weight: Axial, points 7.3
7.5
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
16 to 32
Strength to Weight: Bending, points 17
16 to 26
Thermal Diffusivity, mm2/s 37
16
Thermal Shock Resistance, points 16
17 to 34

Alloy Composition

Aluminum (Al), % 0 to 0.15
7.7 to 8.3
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
89 to 90.5
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0 to 0.25
0 to 0.015
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
1.8 to 2.2
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0
Residuals, % 0
0 to 0.5