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C87900 Brass vs. C67600 Bronze

Both C87900 brass and C67600 bronze 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 C87900 brass and the bottom bar is C67600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 25
13 to 33
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 480
430 to 570
Tensile Strength: Yield (Proof), MPa 240
170 to 380

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 930
890
Melting Onset (Solidus), °C 900
870
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 20
21

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
63 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140 to 680
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 17
15 to 20
Strength to Weight: Bending, points 17
16 to 19
Thermal Diffusivity, mm2/s 37
35
Thermal Shock Resistance, points 16
14 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
57 to 60
Iron (Fe), % 0 to 0.4
0.4 to 1.3
Lead (Pb), % 0 to 0.25
0.5 to 1.0
Manganese (Mn), % 0 to 0.15
0.050 to 0.5
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0.5 to 1.5
Zinc (Zn), % 30 to 36
35.2 to 41.6
Residuals, % 0
0 to 0.5