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C87900 Brass vs. C61900 Bronze

Both C87900 brass and C61900 bronze are copper alloys. They have 67% 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 C61900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
21 to 32
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 480
570 to 650
Tensile Strength: Yield (Proof), MPa 240
230 to 310

Thermal Properties

Latent Heat of Fusion, J/g 190
230
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 930
1050
Melting Onset (Solidus), °C 900
1040
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
79
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
11
Electrical Conductivity: Equal Weight (Specific), % IACS 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 270
230 to 430
Stiffness to Weight: Axial, points 7.3
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 17
19 to 22
Strength to Weight: Bending, points 17
18 to 20
Thermal Diffusivity, mm2/s 37
22
Thermal Shock Resistance, points 16
20 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.15
8.5 to 10
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
83.6 to 88.5
Iron (Fe), % 0 to 0.4
3.0 to 4.5
Lead (Pb), % 0 to 0.25
0 to 0.020
Manganese (Mn), % 0 to 0.15
0
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 to 0.6
Zinc (Zn), % 30 to 36
0 to 0.8
Residuals, % 0
0 to 0.5