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C65500 Bronze vs. C99750 Brass

Both C65500 bronze and C99750 brass are copper alloys. They have 61% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C65500 bronze and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Elongation at Break, % 4.0 to 70
20 to 30
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 62 to 97
77 to 82
Shear Modulus, GPa 43
48
Tensile Strength: Ultimate (UTS), MPa 360 to 760
450 to 520
Tensile Strength: Yield (Proof), MPa 120 to 430
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1030
840
Melting Onset (Solidus), °C 970
820
Specific Heat Capacity, J/kg-K 400
410
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 29
23
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 42
51
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 450
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 62 to 790
190 to 300
Stiffness to Weight: Axial, points 7.5
8.6
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 12 to 24
15 to 18
Strength to Weight: Bending, points 13 to 21
16 to 18
Thermal Shock Resistance, points 12 to 26
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Copper (Cu), % 91.5 to 96.7
55 to 61
Iron (Fe), % 0 to 0.8
0 to 1.0
Lead (Pb), % 0 to 0.050
0.5 to 2.5
Manganese (Mn), % 0.5 to 1.3
17 to 23
Nickel (Ni), % 0 to 0.6
0 to 5.0
Silicon (Si), % 2.8 to 3.8
0
Zinc (Zn), % 0 to 1.5
17 to 23
Residuals, % 0
0 to 0.3