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C84000 Brass vs. C86700 Bronze

Both C84000 brass and C86700 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C84000 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, % 27
17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 250
630
Tensile Strength: Yield (Proof), MPa 140
250

Thermal Properties

Latent Heat of Fusion, J/g 190
180
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 1040
880
Melting Onset (Solidus), °C 940
860
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 72
89
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
17
Electrical Conductivity: Equal Weight (Specific), % IACS 17
19

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 49
49
Embodied Water, L/kg 330
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
86
Resilience: Unit (Modulus of Resilience), kJ/m3 83
290
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 8.2
22
Strength to Weight: Bending, points 10
21
Thermal Diffusivity, mm2/s 22
28
Thermal Shock Resistance, points 9.0
21

Alloy Composition

Aluminum (Al), % 0 to 0.0050
1.0 to 3.0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Copper (Cu), % 82 to 89
55 to 60
Iron (Fe), % 0 to 0.4
1.0 to 3.0
Lead (Pb), % 0 to 0.090
0.5 to 1.5
Manganese (Mn), % 0 to 0.010
1.0 to 3.5
Nickel (Ni), % 0.5 to 2.0
0 to 1.0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0.1 to 0.65
0
Tin (Sn), % 2.0 to 4.0
0 to 1.5
Zinc (Zn), % 5.0 to 14
30 to 38
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0 to 1.0