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C95520 Bronze vs. C84000 Brass

Both C95520 bronze and C84000 brass are copper alloys. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is C95520 bronze and the bottom bar is C84000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
65
Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 2.6
27
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 970
250
Tensile Strength: Yield (Proof), MPa 530
140

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 240
170
Melting Completion (Liquidus), °C 1070
1040
Melting Onset (Solidus), °C 1020
940
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 40
72
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
16
Electrical Conductivity: Equal Weight (Specific), % IACS 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.2
8.6
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 58
49
Embodied Water, L/kg 390
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
58
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
83
Stiffness to Weight: Axial, points 8.0
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 33
8.2
Strength to Weight: Bending, points 27
10
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 33
9.0

Alloy Composition


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Aluminum (Al), % 10.5 to 11.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.5 to 81.3
82 to 89
Iron (Fe), % 4.0 to 5.5
0 to 0.4
Lead (Pb), % 0 to 0.030
0 to 0.090
Manganese (Mn), % 0 to 1.5
0 to 0.010
Nickel (Ni), % 4.2 to 6.0
0.5 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.15
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0 to 0.25
2.0 to 4.0
Zinc (Zn), % 0 to 0.3
5.0 to 14
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0 to 0.5
0 to 0.7