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C51900 Bronze vs. C87400 Brass

Both C51900 bronze and C87400 brass are copper alloys. They have 83% 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 C51900 bronze and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 14 to 29
21
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 380 to 620
390
Tensile Strength: Yield (Proof), MPa 390 to 570
160

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 1040
920
Melting Onset (Solidus), °C 930
820
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 66
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 14
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
27
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 3.2
2.7
Embodied Energy, MJ/kg 51
44
Embodied Water, L/kg 360
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 55 to 180
65
Resilience: Unit (Modulus of Resilience), kJ/m3 680 to 1450
120
Stiffness to Weight: Axial, points 7.0
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 12 to 19
13
Strength to Weight: Bending, points 13 to 18
14
Thermal Diffusivity, mm2/s 20
8.3
Thermal Shock Resistance, points 14 to 22
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 91.7 to 95
79 to 85.5
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.050
0 to 1.0
Phosphorus (P), % 0.030 to 0.35
0
Silicon (Si), % 0
2.5 to 4.0
Tin (Sn), % 5.0 to 7.0
0
Zinc (Zn), % 0 to 0.3
12 to 16
Residuals, % 0
0 to 0.8