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C94400 Bronze vs. C47000 Brass

Both C94400 bronze and C47000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C94400 bronze and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 18
36
Poisson's Ratio 0.35
0.3
Shear Modulus, GPa 37
40
Tensile Strength: Ultimate (UTS), MPa 220
380
Tensile Strength: Yield (Proof), MPa 110
150

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 150
120
Melting Completion (Liquidus), °C 940
900
Melting Onset (Solidus), °C 790
890
Specific Heat Capacity, J/kg-K 350
390
Thermal Conductivity, W/m-K 52
120
Thermal Expansion, µm/m-K 19
21

Otherwise Unclassified Properties

Base Metal Price, % relative 32
23
Density, g/cm3 9.1
8.0
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 54
47
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 33
110
Resilience: Unit (Modulus of Resilience), kJ/m3 60
100
Stiffness to Weight: Axial, points 6.1
7.2
Stiffness to Weight: Bending, points 17
20
Strength to Weight: Axial, points 6.8
13
Strength to Weight: Bending, points 9.0
15
Thermal Diffusivity, mm2/s 17
38
Thermal Shock Resistance, points 8.3
13

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.010
Antimony (Sb), % 0 to 0.8
0
Copper (Cu), % 76.1 to 84
57 to 61
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 9.0 to 12
0 to 0.050
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 7.0 to 9.0
0.25 to 1.0
Zinc (Zn), % 0 to 0.8
37.5 to 42.8
Residuals, % 0
0 to 0.4