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C84800 Brass vs. C72700 Copper-nickel

Both C84800 brass and C72700 copper-nickel are copper alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C84800 brass and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 18
4.0 to 36
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 39
44
Tensile Strength: Ultimate (UTS), MPa 230
460 to 1070
Tensile Strength: Yield (Proof), MPa 100
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 150
200
Melting Completion (Liquidus), °C 950
1100
Melting Onset (Solidus), °C 830
930
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 72
54
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
11
Electrical Conductivity: Equal Weight (Specific), % IACS 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 27
36
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 2.8
4.0
Embodied Energy, MJ/kg 46
62
Embodied Water, L/kg 340
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 53
1420 to 4770
Stiffness to Weight: Axial, points 6.6
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.3
14 to 34
Strength to Weight: Bending, points 9.6
15 to 26
Thermal Diffusivity, mm2/s 23
16
Thermal Shock Resistance, points 8.2
16 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 75 to 77
82.1 to 86
Iron (Fe), % 0 to 0.4
0 to 0.5
Lead (Pb), % 5.5 to 7.0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0 to 1.0
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
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
5.5 to 6.5
Zinc (Zn), % 13 to 17
0 to 0.5
Residuals, % 0
0 to 0.3