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C85400 Brass vs. CC333G Bronze

Both C85400 brass and CC333G bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common.

For each property being compared, the top bar is C85400 brass and the bottom bar is CC333G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 55
170
Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 23
13
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
45
Tensile Strength: Ultimate (UTS), MPa 220
710
Tensile Strength: Yield (Proof), MPa 85
310

Thermal Properties

Latent Heat of Fusion, J/g 180
230
Maximum Temperature: Mechanical, °C 130
230
Melting Completion (Liquidus), °C 940
1080
Melting Onset (Solidus), °C 940
1020
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 89
38
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 22
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 2.8
3.5
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 330
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
75
Resilience: Unit (Modulus of Resilience), kJ/m3 35
410
Stiffness to Weight: Axial, points 7.0
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 7.5
24
Strength to Weight: Bending, points 9.9
21
Thermal Diffusivity, mm2/s 28
10
Thermal Shock Resistance, points 7.6
24

Alloy Composition

Aluminum (Al), % 0 to 0.35
8.5 to 10.5
Bismuth (Bi), % 0
0 to 0.010
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 65 to 70
76 to 83
Iron (Fe), % 0 to 0.7
3.0 to 5.5
Lead (Pb), % 1.5 to 3.8
0 to 0.030
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 3.0
Nickel (Ni), % 0 to 1.0
3.7 to 6.0
Silicon (Si), % 0 to 0.050
0 to 0.1
Tin (Sn), % 0.5 to 1.5
0 to 0.1
Zinc (Zn), % 24 to 32
0 to 0.5
Residuals, % 0 to 1.1
0