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C37100 Brass vs. C86300 Bronze

Both C37100 brass and C86300 bronze are copper alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C37100 brass and the bottom bar is C86300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 8.0 to 40
14
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
42
Tensile Strength: Ultimate (UTS), MPa 370 to 520
850
Tensile Strength: Yield (Proof), MPa 150 to 390
480

Thermal Properties

Latent Heat of Fusion, J/g 170
200
Maximum Temperature: Mechanical, °C 120
160
Melting Completion (Liquidus), °C 900
920
Melting Onset (Solidus), °C 890
890
Specific Heat Capacity, J/kg-K 380
420
Thermal Conductivity, W/m-K 120
35
Thermal Expansion, µm/m-K 21
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 30
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 320
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
1030
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13 to 18
30
Strength to Weight: Bending, points 14 to 18
25
Thermal Diffusivity, mm2/s 39
11
Thermal Shock Resistance, points 12 to 17
28

Alloy Composition

Aluminum (Al), % 0
5.0 to 7.5
Copper (Cu), % 58 to 62
60 to 66
Iron (Fe), % 0 to 0.15
2.0 to 4.0
Lead (Pb), % 0.6 to 1.2
0 to 0.2
Manganese (Mn), % 0
2.5 to 5.0
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 36.3 to 41.4
22 to 28
Residuals, % 0 to 0.4
0 to 1.0