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C93700 Bronze vs. C27400 Brass

Both C93700 bronze and C27400 brass are copper alloys. They have 63% of their average alloy composition in common. There are 25 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 C93700 bronze and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 99
110
Poisson's Ratio 0.35
0.31
Rockwell B Hardness 60
53 to 91
Shear Modulus, GPa 37
40
Tensile Strength: Ultimate (UTS), MPa 240
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 140
120
Melting Completion (Liquidus), °C 930
920
Melting Onset (Solidus), °C 760
870
Specific Heat Capacity, J/kg-K 350
390
Thermal Conductivity, W/m-K 47
120
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
28
Electrical Conductivity: Equal Weight (Specific), % IACS 10
31

Otherwise Unclassified Properties

Base Metal Price, % relative 33
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 3.5
2.7
Embodied Energy, MJ/kg 57
45
Embodied Water, L/kg 390
320

Common Calculations

Stiffness to Weight: Axial, points 6.2
7.2
Stiffness to Weight: Bending, points 17
20
Strength to Weight: Axial, points 7.5
13 to 23
Strength to Weight: Bending, points 9.6
14 to 21
Thermal Diffusivity, mm2/s 15
37
Thermal Shock Resistance, points 9.4
12 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.5
0
Copper (Cu), % 78 to 82
61 to 64
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 8.0 to 11
0 to 0.050
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.8
35.6 to 39
Residuals, % 0
0 to 0.3