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C33000 Brass vs. C86700 Bronze

Both C33000 brass and C86700 bronze are copper alloys. They have a moderately high 91% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C33000 brass and the bottom bar is C86700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.0 to 60
17
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 320 to 520
630
Tensile Strength: Yield (Proof), MPa 110 to 450
250

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 940
880
Melting Onset (Solidus), °C 900
860
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
89
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
17
Electrical Conductivity: Equal Weight (Specific), % IACS 29
19

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 320
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
86
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
290
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
22
Strength to Weight: Bending, points 13 to 18
21
Thermal Diffusivity, mm2/s 37
28
Thermal Shock Resistance, points 11 to 17
21

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Copper (Cu), % 65 to 68
55 to 60
Iron (Fe), % 0 to 0.070
1.0 to 3.0
Lead (Pb), % 0.25 to 0.7
0.5 to 1.5
Manganese (Mn), % 0
1.0 to 3.5
Nickel (Ni), % 0
0 to 1.0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 30.8 to 34.8
30 to 38
Residuals, % 0
0 to 1.0