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C61800 Bronze vs. C84200 Brass

Both C61800 bronze and C84200 brass are copper alloys. They have 80% 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 C61800 bronze and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 26
15
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 740
250
Tensile Strength: Yield (Proof), MPa 310
120

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 220
150
Melting Completion (Liquidus), °C 1050
990
Melting Onset (Solidus), °C 1040
840
Specific Heat Capacity, J/kg-K 440
370
Thermal Conductivity, W/m-K 64
72
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
16
Electrical Conductivity: Equal Weight (Specific), % IACS 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
30
Density, g/cm3 8.3
8.5
Embodied Carbon, kg CO2/kg material 3.1
3.1
Embodied Energy, MJ/kg 52
51
Embodied Water, L/kg 390
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
31
Resilience: Unit (Modulus of Resilience), kJ/m3 420
72
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 25
8.2
Strength to Weight: Bending, points 22
10
Thermal Diffusivity, mm2/s 18
23
Thermal Shock Resistance, points 26
9.1

Alloy Composition

Aluminum (Al), % 8.5 to 11
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 86.9 to 91
78 to 82
Iron (Fe), % 0.5 to 1.5
0 to 0.4
Lead (Pb), % 0 to 0.020
2.0 to 3.0
Nickel (Ni), % 0
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0 to 0.020
10 to 16
Residuals, % 0
0 to 0.7