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C84200 Brass vs. C94800 Bronze

Both C84200 brass and C94800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is C84200 brass and the bottom bar is C94800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 15
22
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 250
310
Tensile Strength: Yield (Proof), MPa 120
160

Thermal Properties

Latent Heat of Fusion, J/g 180
200
Maximum Temperature: Mechanical, °C 150
190
Melting Completion (Liquidus), °C 990
1030
Melting Onset (Solidus), °C 840
900
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 72
39
Thermal Expansion, µm/m-K 19
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
34
Density, g/cm3 8.5
8.8
Embodied Carbon, kg CO2/kg material 3.1
3.5
Embodied Energy, MJ/kg 51
56
Embodied Water, L/kg 350
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
58
Resilience: Unit (Modulus of Resilience), kJ/m3 72
110
Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.2
9.8
Strength to Weight: Bending, points 10
12
Thermal Diffusivity, mm2/s 23
12
Thermal Shock Resistance, points 9.1
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.25
0 to 0.15
Copper (Cu), % 78 to 82
84 to 89
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 2.0 to 3.0
0.3 to 1.0
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.8
4.5 to 6.0
Phosphorus (P), % 0 to 1.5
0 to 0.050
Silicon (Si), % 0 to 0.0050
0 to 0.0050
Sulfur (S), % 0 to 0.080
0 to 0.050
Tin (Sn), % 4.0 to 6.0
4.5 to 6.0
Zinc (Zn), % 10 to 16
1.0 to 2.5
Residuals, % 0
0 to 1.3