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C99700 Brass vs. C22000 Bronze

Both C99700 brass and C22000 bronze are copper alloys. They have 70% of their average alloy composition in common. There are 26 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 C99700 brass and the bottom bar is C22000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 25
1.9 to 45
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 46
42
Tensile Strength: Ultimate (UTS), MPa 380
260 to 520
Tensile Strength: Yield (Proof), MPa 170
69 to 500

Thermal Properties

Latent Heat of Fusion, J/g 200
200
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 900
1040
Melting Onset (Solidus), °C 880
1020
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
44
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
45

Otherwise Unclassified Properties

Base Metal Price, % relative 25
29
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 3.3
2.6
Embodied Energy, MJ/kg 53
42
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
3.7 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 120
21 to 1110
Stiffness to Weight: Axial, points 8.3
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 13
8.1 to 17
Strength to Weight: Bending, points 14
10 to 17
Thermal Shock Resistance, points 11
8.8 to 18

Alloy Composition

Aluminum (Al), % 0.5 to 3.0
0
Copper (Cu), % 54 to 65.5
89 to 91
Iron (Fe), % 0 to 1.0
0 to 0.050
Lead (Pb), % 0 to 2.0
0 to 0.050
Manganese (Mn), % 11 to 15
0
Nickel (Ni), % 4.0 to 6.0
0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19 to 25
8.7 to 11
Residuals, % 0
0 to 0.2