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C52400 Bronze vs. C37700 Brass

Both C52400 bronze and C37700 brass are copper alloys. They have 60% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C52400 bronze and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 50 to 100
45
Shear Modulus, GPa 41
39
Tensile Strength: Ultimate (UTS), MPa 450 to 880
400

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 1000
890
Melting Onset (Solidus), °C 840
880
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 50
120
Thermal Expansion, µm/m-K 18
21

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
23
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 58
45
Embodied Water, L/kg 390
320

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 14 to 28
14
Strength to Weight: Bending, points 15 to 23
15
Thermal Diffusivity, mm2/s 15
39
Thermal Shock Resistance, points 17 to 32
13

Alloy Composition

Copper (Cu), % 87.8 to 91
58 to 61
Iron (Fe), % 0 to 0.1
0 to 0.3
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.2
35.7 to 40.5
Residuals, % 0
0 to 0.5