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C84800 Brass vs. C70600 Copper-nickel

Both C84800 brass and C70600 copper-nickel are copper alloys. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C84800 brass and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 18
3.0 to 34
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 39
46
Tensile Strength: Ultimate (UTS), MPa 230
290 to 570
Tensile Strength: Yield (Proof), MPa 100
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 150
220
Melting Completion (Liquidus), °C 950
1150
Melting Onset (Solidus), °C 830
1100
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 72
44
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 17
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 27
33
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 46
51
Embodied Water, L/kg 340
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 53
16 to 290
Stiffness to Weight: Axial, points 6.6
7.7
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.3
9.1 to 18
Strength to Weight: Bending, points 9.6
11 to 17
Thermal Diffusivity, mm2/s 23
13
Thermal Shock Resistance, points 8.2
9.8 to 19

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 75 to 77
84.7 to 90
Iron (Fe), % 0 to 0.4
1.0 to 1.8
Lead (Pb), % 5.5 to 7.0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 1.0
9.0 to 11
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 3.0
0
Zinc (Zn), % 13 to 17
0 to 1.0
Residuals, % 0
0 to 0.5