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C87800 Brass vs. AWS ENiCu-7

C87800 brass belongs to the copper alloys classification, while AWS ENiCu-7 belongs to the nickel alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 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 C87800 brass and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
160
Elongation at Break, % 25
34
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
62
Tensile Strength: Ultimate (UTS), MPa 590
550

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 920
1270
Melting Onset (Solidus), °C 820
1230
Specific Heat Capacity, J/kg-K 410
430
Thermal Conductivity, W/m-K 28
21
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
50
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 2.7
8.0
Embodied Energy, MJ/kg 44
110
Embodied Water, L/kg 300
250

Common Calculations

Stiffness to Weight: Axial, points 7.4
10
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 8.3
5.5
Thermal Shock Resistance, points 21
18

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.75
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 80 to 84.2
20.6 to 38
Iron (Fe), % 0 to 0.15
0 to 2.5
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0 to 4.0
Nickel (Ni), % 0 to 0.2
62 to 69
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 3.8 to 4.2
0 to 1.5
Sulfur (S), % 0 to 0.050
0 to 0.015
Tin (Sn), % 0 to 0.25
0
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 12 to 16
0
Residuals, % 0
0 to 0.5