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C52400 Bronze vs. C35000 Brass

Both C52400 bronze and C35000 brass are copper alloys. They have 62% of their average alloy composition in common.

For each property being compared, the top bar is C52400 bronze and the bottom bar is C35000 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
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
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 1000
920
Melting Onset (Solidus), °C 840
890
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
26
Electrical Conductivity: Equal Weight (Specific), % IACS 11
29

Otherwise Unclassified Properties

Base Metal Price, % relative 35
23
Density, g/cm3 8.8
8.1
Embodied Carbon, kg CO2/kg material 3.6
2.7
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
12 to 22
Strength to Weight: Bending, points 15 to 23
13 to 21
Thermal Diffusivity, mm2/s 15
37
Thermal Shock Resistance, points 17 to 32
11 to 22

Alloy Composition

Copper (Cu), % 87.8 to 91
60 to 63
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.050
0.8 to 2.0
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.2
34.5 to 39.2
Residuals, % 0
0 to 0.4

Comparable Variants