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C64210 Bronze vs. C87900 Brass

Both C64210 bronze and C87900 brass are copper alloys. They have 68% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C64210 bronze and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 35
25
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 77
70
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 570
480
Tensile Strength: Yield (Proof), MPa 290
240

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 1040
930
Melting Onset (Solidus), °C 990
900
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 48
120
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
15
Electrical Conductivity: Equal Weight (Specific), % IACS 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
24
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 49
46
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
100
Resilience: Unit (Modulus of Resilience), kJ/m3 360
270
Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 13
37
Thermal Shock Resistance, points 21
16

Alloy Composition

Aluminum (Al), % 6.3 to 7.0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0 to 0.15
0 to 0.050
Copper (Cu), % 89 to 92.2
63 to 69.2
Iron (Fe), % 0 to 0.3
0 to 0.4
Lead (Pb), % 0 to 0.050
0 to 0.25
Manganese (Mn), % 0 to 0.1
0 to 0.15
Nickel (Ni), % 0 to 0.25
0 to 0.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 1.5 to 2.0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.2
0 to 0.25
Zinc (Zn), % 0 to 0.5
30 to 36
Residuals, % 0 to 0.5
0