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C85200 Brass vs. C94900 Bronze

Both C85200 brass and C94900 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 82% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C85200 brass and the bottom bar is C94900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 28
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 270
300
Tensile Strength: Yield (Proof), MPa 95
130

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 140
170
Melting Completion (Liquidus), °C 940
980
Melting Onset (Solidus), °C 930
910
Specific Heat Capacity, J/kg-K 380
370
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
14
Electrical Conductivity: Equal Weight (Specific), % IACS 19
14

Otherwise Unclassified Properties

Base Metal Price, % relative 26
32
Density, g/cm3 8.4
8.8
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 46
55
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
41
Resilience: Unit (Modulus of Resilience), kJ/m3 42
72
Stiffness to Weight: Axial, points 7.0
6.9
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 8.9
9.4
Strength to Weight: Bending, points 11
11
Thermal Shock Resistance, points 9.3
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0050
Antimony (Sb), % 0 to 0.2
0 to 0.25
Copper (Cu), % 70 to 74
79 to 81
Iron (Fe), % 0 to 0.6
0 to 0.3
Lead (Pb), % 1.5 to 3.8
4.0 to 6.0
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 1.0
4.0 to 6.0
Phosphorus (P), % 0 to 0.020
0 to 0.050
Silicon (Si), % 0 to 0.050
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.080
Tin (Sn), % 0.7 to 2.0
4.0 to 6.0
Zinc (Zn), % 20 to 27
4.0 to 6.0
Residuals, % 0
0 to 0.8