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C85400 Brass vs. C92800 Bronze

Both C85400 brass and C92800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 72% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C85400 brass and the bottom bar is C92800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
100
Elongation at Break, % 23
1.0
Poisson's Ratio 0.32
0.35
Shear Modulus, GPa 40
37
Tensile Strength: Ultimate (UTS), MPa 220
280
Tensile Strength: Yield (Proof), MPa 85
210

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 940
960
Melting Onset (Solidus), °C 940
820
Specific Heat Capacity, J/kg-K 380
350
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 22
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
36
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 46
67
Embodied Water, L/kg 330
430

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
2.5
Resilience: Unit (Modulus of Resilience), kJ/m3 35
210
Stiffness to Weight: Axial, points 7.0
6.4
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 7.5
8.8
Strength to Weight: Bending, points 9.9
11
Thermal Shock Resistance, points 7.6
11

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 65 to 70
78 to 82
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 1.5 to 3.8
4.0 to 6.0
Nickel (Ni), % 0 to 1.0
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.050
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0.5 to 1.5
15 to 17
Zinc (Zn), % 24 to 32
0 to 0.8
Residuals, % 0
0 to 0.7