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C91100 Bronze vs. C47940 Brass

Both C91100 bronze and C47940 brass are copper alloys. They have 67% 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 C91100 bronze and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 2.0
14 to 34
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 240
380 to 520
Tensile Strength: Yield (Proof), MPa 170
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 950
850
Melting Onset (Solidus), °C 820
800
Specific Heat Capacity, J/kg-K 360
380
Thermal Conductivity, W/m-K 63
110
Thermal Expansion, µm/m-K 18
20

Otherwise Unclassified Properties

Base Metal Price, % relative 38
25
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 4.2
2.8
Embodied Energy, MJ/kg 69
47
Embodied Water, L/kg 440
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.4
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
120 to 740
Stiffness to Weight: Axial, points 6.7
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.7
13 to 17
Strength to Weight: Bending, points 9.9
14 to 17
Thermal Diffusivity, mm2/s 20
36
Thermal Shock Resistance, points 9.1
13 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Copper (Cu), % 82 to 85
63 to 66
Iron (Fe), % 0 to 0.25
0.1 to 1.0
Lead (Pb), % 0 to 0.25
1.0 to 2.0
Nickel (Ni), % 0 to 0.5
0.1 to 0.5
Phosphorus (P), % 0 to 1.0
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 15 to 17
1.2 to 2.0
Zinc (Zn), % 0 to 0.25
28.1 to 34.6
Residuals, % 0
0 to 0.4