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C87900 Brass vs. C64210 Bronze

Both C87900 brass and C64210 bronze 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 C87900 brass and the bottom bar is C64210 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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