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C68800 Brass vs. C53400 Bronze

Both C68800 brass and C53400 bronze are copper alloys. They have 74% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C68800 brass and the bottom bar is C53400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.34
Rockwell B Hardness 81 to 99
67 to 93
Rockwell Superficial 30T Hardness 71 to 83
33 to 79
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 570 to 890
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 960
1050
Melting Onset (Solidus), °C 950
950
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 40
69
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 18
15
Electrical Conductivity: Equal Weight (Specific), % IACS 20
15

Otherwise Unclassified Properties

Base Metal Price, % relative 26
32
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 48
49
Embodied Water, L/kg 350
350

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 19 to 30
10 to 22
Strength to Weight: Bending, points 19 to 25
12 to 20
Thermal Diffusivity, mm2/s 12
21
Thermal Shock Resistance, points 19 to 30
12 to 26

Alloy Composition

Aluminum (Al), % 3.0 to 3.8
0
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 70.8 to 75.5
91.8 to 95.7
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0 to 0.050
0.8 to 1.2
Phosphorus (P), % 0
0.030 to 0.35
Tin (Sn), % 0
3.5 to 5.8
Zinc (Zn), % 21.3 to 24.1
0 to 0.3
Residuals, % 0
0 to 0.5

Comparable Variants