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C48600 Brass vs. C87300 Bronze

Both C48600 brass and C87300 bronze are copper alloys. They have 61% 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 C48600 brass and the bottom bar is C87300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 20 to 25
22
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
43
Tensile Strength: Ultimate (UTS), MPa 280 to 360
350
Tensile Strength: Yield (Proof), MPa 110 to 170
140

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
970
Melting Onset (Solidus), °C 890
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
28
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
6.1
Electrical Conductivity: Equal Weight (Specific), % IACS 28
6.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
29
Density, g/cm3 8.1
8.6
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55 to 59
62
Resilience: Unit (Modulus of Resilience), kJ/m3 61 to 140
86
Stiffness to Weight: Axial, points 7.1
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.5 to 12
11
Strength to Weight: Bending, points 12 to 14
13
Thermal Diffusivity, mm2/s 36
8.0
Thermal Shock Resistance, points 9.3 to 12
13

Alloy Composition

Arsenic (As), % 0.020 to 0.25
0
Copper (Cu), % 59 to 62
94 to 95.7
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 1.0 to 2.5
0 to 0.2
Manganese (Mn), % 0
0.8 to 1.5
Silicon (Si), % 0
3.5 to 5.0
Tin (Sn), % 0.3 to 1.5
0
Zinc (Zn), % 33.4 to 39.7
0 to 0.25
Residuals, % 0
0 to 0.5