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C69300 Brass vs. C86800 Bronze

Both C69300 brass and C86800 bronze are copper alloys. They have 77% of their average alloy composition in common. There are 26 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 C69300 brass and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 8.5 to 15
22
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 550 to 630
570
Tensile Strength: Yield (Proof), MPa 300 to 390
260

Thermal Properties

Latent Heat of Fusion, J/g 240
180
Maximum Temperature: Mechanical, °C 160
140
Melting Completion (Liquidus), °C 880
900
Melting Onset (Solidus), °C 860
880
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
10

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
100
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
310
Stiffness to Weight: Axial, points 7.4
7.7
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 19 to 21
20
Strength to Weight: Bending, points 18 to 20
19
Thermal Shock Resistance, points 19 to 22
18

Alloy Composition

Aluminum (Al), % 0
0 to 2.0
Copper (Cu), % 73 to 77
53.5 to 57
Iron (Fe), % 0 to 0.1
1.0 to 2.5
Lead (Pb), % 0 to 0.090
0 to 0.2
Manganese (Mn), % 0 to 0.1
2.5 to 4.0
Nickel (Ni), % 0 to 0.1
2.5 to 4.0
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0
Tin (Sn), % 0 to 0.2
0 to 1.0
Zinc (Zn), % 18.4 to 24.3
28.3 to 40.5
Residuals, % 0
0 to 1.0