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C95820 Bronze vs. C84000 Brass

Both C95820 bronze and C84000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 82% of their average alloy composition in common. There are 28 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 C95820 bronze and the bottom bar is C84000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
27
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 730
250
Tensile Strength: Yield (Proof), MPa 310
140

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1080
1040
Melting Onset (Solidus), °C 1020
940
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 38
72
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
16
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 3.5
3.0
Embodied Energy, MJ/kg 56
49
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
58
Resilience: Unit (Modulus of Resilience), kJ/m3 400
83
Stiffness to Weight: Axial, points 8.0
7.2
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
8.2
Strength to Weight: Bending, points 22
10
Thermal Diffusivity, mm2/s 11
22
Thermal Shock Resistance, points 25
9.0

Alloy Composition

Aluminum (Al), % 9.0 to 10
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Copper (Cu), % 77.5 to 82.5
82 to 89
Iron (Fe), % 4.0 to 5.0
0 to 0.4
Lead (Pb), % 0 to 0.020
0 to 0.090
Manganese (Mn), % 0 to 1.5
0 to 0.010
Nickel (Ni), % 4.5 to 5.8
0.5 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0 to 0.1
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0 to 0.020
2.0 to 4.0
Zinc (Zn), % 0 to 0.2
5.0 to 14
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7