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C84200 Brass vs. C95800 Bronze

Both C84200 brass and C95800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is C84200 brass and the bottom bar is C95800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 15
22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 250
660
Tensile Strength: Yield (Proof), MPa 120
270

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 150
230
Melting Completion (Liquidus), °C 990
1060
Melting Onset (Solidus), °C 840
1040
Specific Heat Capacity, J/kg-K 370
440
Thermal Conductivity, W/m-K 72
36
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 17
7.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
29
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 51
55
Embodied Water, L/kg 350
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
110
Resilience: Unit (Modulus of Resilience), kJ/m3 72
310
Stiffness to Weight: Axial, points 6.9
7.9
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 8.2
22
Strength to Weight: Bending, points 10
20
Thermal Diffusivity, mm2/s 23
9.9
Thermal Shock Resistance, points 9.1
23

Alloy Composition

Aluminum (Al), % 0 to 0.0050
8.5 to 9.5
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
79 to 83.2
Iron (Fe), % 0 to 0.4
3.5 to 4.5
Lead (Pb), % 2.0 to 3.0
0 to 0.030
Manganese (Mn), % 0
0.8 to 1.5
Nickel (Ni), % 0 to 0.8
4.0 to 5.0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.1
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 10 to 16
0
Residuals, % 0
0 to 0.5