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C69700 Brass vs. C52100 Bronze

Both C69700 brass and C52100 bronze are copper alloys. They have 78% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C69700 brass and the bottom bar is C52100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 470
380 to 800

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 930
1030
Melting Onset (Solidus), °C 880
880
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 43
62
Thermal Expansion, µm/m-K 19
18

Otherwise Unclassified Properties

Base Metal Price, % relative 26
34
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 44
55
Embodied Water, L/kg 310
370

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
12 to 25
Strength to Weight: Bending, points 16
13 to 22
Thermal Diffusivity, mm2/s 13
19
Thermal Shock Resistance, points 16
14 to 28

Alloy Composition

Copper (Cu), % 75 to 80
89.8 to 93
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0.5 to 1.5
0 to 0.050
Manganese (Mn), % 0 to 0.4
0
Phosphorus (P), % 0
0.030 to 0.35
Silicon (Si), % 2.5 to 3.5
0
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 13.9 to 22
0 to 0.2
Residuals, % 0
0 to 0.5