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C52400 Bronze vs. C21000 Brass

Both C52400 bronze and C21000 brass are copper alloys. They have 90% 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 C52400 bronze and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 50 to 100
36 to 73
Rockwell Superficial 30T Hardness 54 to 84
44 to 68
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 450 to 880
240 to 450

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 1000
1070
Melting Onset (Solidus), °C 840
1050
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 50
230
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
56
Electrical Conductivity: Equal Weight (Specific), % IACS 11
57

Otherwise Unclassified Properties

Base Metal Price, % relative 35
30
Density, g/cm3 8.8
8.8
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 58
42
Embodied Water, L/kg 390
310

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 14 to 28
7.4 to 14
Strength to Weight: Bending, points 15 to 23
9.6 to 15
Thermal Diffusivity, mm2/s 15
69
Thermal Shock Resistance, points 17 to 32
8.1 to 15

Alloy Composition

Copper (Cu), % 87.8 to 91
94 to 96
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.030
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.2
3.7 to 6.0
Residuals, % 0
0 to 0.2

Comparable Variants