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C69700 Brass vs. C82200 Copper

Both C69700 brass and C82200 copper are copper alloys. They have 78% 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 C69700 brass and the bottom bar is C82200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 25
8.0 to 20
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 470
390 to 660
Tensile Strength: Yield (Proof), MPa 230
210 to 520

Thermal Properties

Latent Heat of Fusion, J/g 240
220
Maximum Temperature: Mechanical, °C 160
230
Melting Completion (Liquidus), °C 930
1080
Melting Onset (Solidus), °C 880
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 43
180
Thermal Expansion, µm/m-K 19
17

Otherwise Unclassified Properties

Base Metal Price, % relative 26
55
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
4.8
Embodied Energy, MJ/kg 44
74
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
49 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 250
180 to 1130
Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
12 to 20
Strength to Weight: Bending, points 16
13 to 19
Thermal Diffusivity, mm2/s 13
53
Thermal Shock Resistance, points 16
14 to 23

Alloy Composition

Beryllium (Be), % 0
0.35 to 0.8
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 75 to 80
97.4 to 98.7
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0
Nickel (Ni), % 0
1.0 to 2.0
Silicon (Si), % 2.5 to 3.5
0
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0
0 to 0.5