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C87800 Brass vs. C64210 Bronze

Both C87800 brass and C64210 bronze are copper alloys. They have 85% 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 C87800 brass and the bottom bar is C64210 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
35
Poisson's Ratio 0.33
0.34
Rockwell B Hardness 86
77
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 590
570
Tensile Strength: Yield (Proof), MPa 350
290

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 920
1040
Melting Onset (Solidus), °C 820
990
Specific Heat Capacity, J/kg-K 410
430
Thermal Conductivity, W/m-K 28
48
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
13
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
14

Otherwise Unclassified Properties

Base Metal Price, % relative 27
29
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
49
Embodied Water, L/kg 300
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 540
360
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 8.3
13
Thermal Shock Resistance, points 21
21

Alloy Composition

Aluminum (Al), % 0 to 0.15
6.3 to 7.0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0 to 0.15
Copper (Cu), % 80 to 84.2
89 to 92.2
Iron (Fe), % 0 to 0.15
0 to 0.3
Lead (Pb), % 0 to 0.15
0 to 0.050
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.2
0 to 0.25
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 3.8 to 4.2
1.5 to 2.0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 12 to 16
0 to 0.5
Residuals, % 0
0 to 0.5