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C67500 Bronze vs. C87900 Brass

Both C67500 bronze and C87900 brass are copper alloys. They have a moderately high 92% 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 C67500 bronze and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 14 to 33
25
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 430 to 580
480
Tensile Strength: Yield (Proof), MPa 170 to 370
240

Thermal Properties

Latent Heat of Fusion, J/g 170
190
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 890
930
Melting Onset (Solidus), °C 870
900
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 110
120
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
15
Electrical Conductivity: Equal Weight (Specific), % IACS 27
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 130
100
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 650
270
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 15 to 20
17
Strength to Weight: Bending, points 16 to 19
17
Thermal Diffusivity, mm2/s 34
37
Thermal Shock Resistance, points 14 to 19
16

Alloy Composition

Aluminum (Al), % 0 to 0.25
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Copper (Cu), % 57 to 60
63 to 69.2
Iron (Fe), % 0.8 to 2.0
0 to 0.4
Lead (Pb), % 0 to 0.2
0 to 0.25
Manganese (Mn), % 0.050 to 0.5
0 to 0.15
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.5 to 1.5
0 to 0.25
Zinc (Zn), % 35.1 to 41.7
30 to 36
Residuals, % 0 to 0.5
0