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C52400 Bronze vs. C27000 Brass

Both C52400 bronze and C27000 brass are copper alloys. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is C52400 bronze and the bottom bar is C27000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 50 to 100
53 to 91
Rockwell Superficial 30T Hardness 54 to 84
52 to 78
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 450 to 880
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1000
930
Melting Onset (Solidus), °C 840
900
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 50
120
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
27
Electrical Conductivity: Equal Weight (Specific), % IACS 11
30

Otherwise Unclassified Properties

Base Metal Price, % relative 35
24
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 58
45
Embodied Water, L/kg 390
320

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 14 to 28
13 to 22
Strength to Weight: Bending, points 15 to 23
14 to 21
Thermal Diffusivity, mm2/s 15
37
Thermal Shock Resistance, points 17 to 32
12 to 22

Alloy Composition

Copper (Cu), % 87.8 to 91
63 to 68.5
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.050
0 to 0.070
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.2
31 to 37
Residuals, % 0
0 to 0.3

Comparable Variants