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C67400 Bronze vs. C84200 Brass

Both C67400 bronze and C84200 brass are copper alloys. They have 72% 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 C67400 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, % 22 to 28
15
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 480 to 610
250
Tensile Strength: Yield (Proof), MPa 250 to 370
120

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 130
150
Melting Completion (Liquidus), °C 890
990
Melting Onset (Solidus), °C 870
840
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 100
72
Thermal Expansion, µm/m-K 21
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
16
Electrical Conductivity: Equal Weight (Specific), % IACS 26
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 48
51
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
31
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 660
72
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 17 to 22
8.2
Strength to Weight: Bending, points 17 to 20
10
Thermal Diffusivity, mm2/s 32
23
Thermal Shock Resistance, points 16 to 20
9.1

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 57 to 60
78 to 82
Iron (Fe), % 0 to 0.35
0 to 0.4
Lead (Pb), % 0 to 0.5
2.0 to 3.0
Manganese (Mn), % 2.0 to 3.5
0
Nickel (Ni), % 0 to 0.25
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.5 to 1.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.3
4.0 to 6.0
Zinc (Zn), % 31.1 to 40
10 to 16
Residuals, % 0
0 to 0.7