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C68400 Brass vs. C51000 Bronze

Both C68400 brass and C51000 bronze are copper alloys. They have 62% of their average alloy composition in common. There are 29 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 C68400 brass and the bottom bar is C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
2.7 to 64
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 41
42
Shear Strength, MPa 330
250 to 460
Tensile Strength: Ultimate (UTS), MPa 540
330 to 780
Tensile Strength: Yield (Proof), MPa 310
130 to 750

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 130
190
Melting Completion (Liquidus), °C 840
1050
Melting Onset (Solidus), °C 820
960
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 66
77
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
18
Electrical Conductivity: Equal Weight (Specific), % IACS 99
18

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 47
50
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
7.0 to 490
Resilience: Unit (Modulus of Resilience), kJ/m3 460
75 to 2490
Stiffness to Weight: Axial, points 7.5
7.0
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
10 to 25
Strength to Weight: Bending, points 19
12 to 21
Thermal Diffusivity, mm2/s 21
23
Thermal Shock Resistance, points 18
12 to 28

Alloy Composition


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Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Copper (Cu), % 59 to 64
92.9 to 95.5
Iron (Fe), % 0 to 1.0
0 to 0.1
Lead (Pb), % 0 to 0.090
0 to 0.050
Manganese (Mn), % 0.2 to 1.5
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0.030 to 0.3
0.030 to 0.35
Silicon (Si), % 1.5 to 2.5
0
Tin (Sn), % 0 to 0.5
4.5 to 5.8
Zinc (Zn), % 28.6 to 39.3
0 to 0.3
Residuals, % 0 to 0.5
0 to 0.5