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C65400 Bronze vs. C34500 Brass

Both C65400 bronze and C34500 brass are copper alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C65400 bronze and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 2.6 to 47
12 to 28
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
40
Shear Strength, MPa 350 to 530
220 to 260
Tensile Strength: Ultimate (UTS), MPa 500 to 1060
340 to 430
Tensile Strength: Yield (Proof), MPa 170 to 910
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1020
910
Melting Onset (Solidus), °C 960
890
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 36
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 480
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 3640
69 to 160
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16 to 34
12 to 15
Strength to Weight: Bending, points 16 to 27
13 to 16
Thermal Diffusivity, mm2/s 10
37
Thermal Shock Resistance, points 18 to 39
11 to 14

Alloy Composition

Chromium (Cr), % 0.010 to 0.12
0
Copper (Cu), % 93.8 to 96.1
62 to 65
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Silicon (Si), % 2.7 to 3.4
0
Tin (Sn), % 1.2 to 1.9
0
Zinc (Zn), % 0 to 0.5
32 to 36.5
Residuals, % 0
0 to 0.4

Comparable Variants