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C68800 Brass vs. C93900 Bronze

Both C68800 brass and C93900 bronze are copper alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is C93900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
95
Elongation at Break, % 2.0 to 36
5.6
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 41
35
Tensile Strength: Ultimate (UTS), MPa 570 to 890
190
Tensile Strength: Yield (Proof), MPa 390 to 790
130

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 960
940
Melting Onset (Solidus), °C 950
850
Specific Heat Capacity, J/kg-K 400
340
Thermal Conductivity, W/m-K 40
52
Thermal Expansion, µm/m-K 19
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
11
Electrical Conductivity: Equal Weight (Specific), % IACS 20
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
30
Density, g/cm3 8.2
9.1
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 48
49
Embodied Water, L/kg 350
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 180
9.5
Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 2860
83
Stiffness to Weight: Axial, points 7.3
5.8
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 19 to 30
5.9
Strength to Weight: Bending, points 19 to 25
8.1
Thermal Diffusivity, mm2/s 12
17
Thermal Shock Resistance, points 19 to 30
7.5

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
76.5 to 79.5
Iron (Fe), % 0 to 0.2
0 to 0.4
Lead (Pb), % 0 to 0.050
14 to 18
Nickel (Ni), % 0
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
5.0 to 7.0
Zinc (Zn), % 21.3 to 24.1
0 to 1.5
Residuals, % 0
0 to 1.1