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C68400 Brass vs. C94900 Bronze

Both C68400 brass and C94900 bronze are copper alloys. They have 68% 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 C68400 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, % 18
17
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 540
300
Tensile Strength: Yield (Proof), MPa 310
130

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 840
980
Melting Onset (Solidus), °C 820
910
Specific Heat Capacity, J/kg-K 400
370
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
14
Electrical Conductivity: Equal Weight (Specific), % IACS 99
14

Otherwise Unclassified Properties

Base Metal Price, % relative 23
32
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 47
55
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
41
Resilience: Unit (Modulus of Resilience), kJ/m3 460
72
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
9.4
Strength to Weight: Bending, points 19
11
Thermal Shock Resistance, points 18
11

Alloy Composition

Aluminum (Al), % 0 to 0.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
79 to 81
Iron (Fe), % 0 to 1.0
0 to 0.3
Lead (Pb), % 0 to 0.090
4.0 to 6.0
Manganese (Mn), % 0.2 to 1.5
0 to 0.1
Nickel (Ni), % 0 to 0.5
4.0 to 6.0
Phosphorus (P), % 0.030 to 0.3
0 to 0.050
Silicon (Si), % 1.5 to 2.5
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.5
4.0 to 6.0
Zinc (Zn), % 28.6 to 39.3
4.0 to 6.0
Residuals, % 0
0 to 0.8