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C17500 Copper vs. C66900 Brass

Both C17500 copper and C66900 brass are copper alloys. They have 64% of their average alloy composition in common. There are 28 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 C17500 copper and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 6.0 to 30
1.1 to 26
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 38 to 99
65 to 100
Shear Modulus, GPa 45
45
Shear Strength, MPa 200 to 520
290 to 440
Tensile Strength: Ultimate (UTS), MPa 310 to 860
460 to 770
Tensile Strength: Yield (Proof), MPa 170 to 760
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 220
150
Melting Completion (Liquidus), °C 1060
860
Melting Onset (Solidus), °C 1020
850
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24 to 53
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 24 to 54
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 60
23
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 4.7
2.8
Embodied Energy, MJ/kg 73
46
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 120
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 2390
460 to 2450
Stiffness to Weight: Axial, points 7.5
8.1
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 9.7 to 27
15 to 26
Strength to Weight: Bending, points 11 to 23
16 to 23
Thermal Shock Resistance, points 11 to 29
14 to 23

Alloy Composition


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Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 0.4 to 0.7
0
Cobalt (Co), % 2.4 to 2.7
0
Copper (Cu), % 95.6 to 97.2
62.5 to 64.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
11.5 to 12.5
Silicon (Si), % 0 to 0.2
0
Zinc (Zn), % 0
22.5 to 26
Residuals, % 0 to 0.5
0 to 0.2