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C95200 Bronze vs. C84000 Brass

Both C95200 bronze and C84000 brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common.

For each property being compared, the top bar is C95200 bronze and the bottom bar is C84000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
65
Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 29
27
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 520
250
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1050
1040
Melting Onset (Solidus), °C 1040
940
Specific Heat Capacity, J/kg-K 430
380
Thermal Conductivity, W/m-K 50
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 28
30
Density, g/cm3 8.3
8.6
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 50
49
Embodied Water, L/kg 380
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
58
Resilience: Unit (Modulus of Resilience), kJ/m3 170
83
Stiffness to Weight: Axial, points 7.6
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 17
8.2
Strength to Weight: Bending, points 17
10
Thermal Diffusivity, mm2/s 14
22
Thermal Shock Resistance, points 19
9.0

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.020
Boron (B), % 0
0 to 0.1
Copper (Cu), % 86 to 89
82 to 89
Iron (Fe), % 2.5 to 4.0
0 to 0.4
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0
0.5 to 2.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
2.0 to 4.0
Zinc (Zn), % 0
5.0 to 14
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7