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C38000 Brass vs. C63800 Bronze

Both C38000 brass and C63800 bronze are copper alloys. They have 59% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is C63800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 17
7.9 to 41
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 39
43
Shear Strength, MPa 230
320 to 500
Tensile Strength: Ultimate (UTS), MPa 380
460 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 110
200
Melting Completion (Liquidus), °C 800
1030
Melting Onset (Solidus), °C 760
1000
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 110
40
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
30
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 330
330

Common Calculations

Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
15 to 33
Strength to Weight: Bending, points 14
15 to 26
Thermal Diffusivity, mm2/s 37
11
Thermal Shock Resistance, points 13
17 to 36

Alloy Composition

Aluminum (Al), % 0 to 0.5
2.5 to 3.1
Cobalt (Co), % 0
0.25 to 0.55
Copper (Cu), % 55 to 60
92.4 to 95.8
Iron (Fe), % 0 to 0.35
0 to 0.2
Lead (Pb), % 1.5 to 2.5
0 to 0.050
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0
1.5 to 2.1
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 35.9 to 43.5
0 to 0.8
Residuals, % 0
0 to 0.5