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C65400 Bronze vs. C99750 Brass

Both C65400 bronze and C99750 brass are copper alloys. They have 58% 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 C65400 bronze and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Elongation at Break, % 2.6 to 47
20 to 30
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 82 to 120
77 to 82
Shear Modulus, GPa 43
48
Tensile Strength: Ultimate (UTS), MPa 500 to 1060
450 to 520
Tensile Strength: Yield (Proof), MPa 170 to 910
220 to 280

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1020
840
Melting Onset (Solidus), °C 960
820
Specific Heat Capacity, J/kg-K 400
410
Thermal Expansion, µm/m-K 17
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 31
23
Density, g/cm3 8.7
8.1
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 480
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 3640
190 to 300
Stiffness to Weight: Axial, points 7.3
8.6
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 16 to 34
15 to 18
Strength to Weight: Bending, points 16 to 27
16 to 18
Thermal Shock Resistance, points 18 to 39
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Chromium (Cr), % 0.010 to 0.12
0
Copper (Cu), % 93.8 to 96.1
55 to 61
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0 to 0.050
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 0
0 to 5.0
Silicon (Si), % 2.7 to 3.4
0
Tin (Sn), % 1.2 to 1.9
0
Zinc (Zn), % 0 to 0.5
17 to 23
Residuals, % 0
0 to 0.3