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AWS ENiCu-7 vs. C43000 Brass

AWS ENiCu-7 belongs to the nickel alloys classification, while C43000 brass belongs to the copper alloys. They have a modest 30% 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 (7, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is C43000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Elongation at Break, % 34
3.0 to 55
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 62
42
Tensile Strength: Ultimate (UTS), MPa 550
320 to 710

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Melting Completion (Liquidus), °C 1270
1030
Melting Onset (Solidus), °C 1230
1000
Specific Heat Capacity, J/kg-K 430
380
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
28

Otherwise Unclassified Properties

Base Metal Price, % relative 50
29
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 8.0
2.8
Embodied Energy, MJ/kg 110
46
Embodied Water, L/kg 250
330

Common Calculations

Stiffness to Weight: Axial, points 10
7.1
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 17
10 to 23
Strength to Weight: Bending, points 17
12 to 20
Thermal Diffusivity, mm2/s 5.5
36
Thermal Shock Resistance, points 18
11 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.75
0
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 20.6 to 38
84 to 87
Iron (Fe), % 0 to 2.5
0 to 0.050
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
1.7 to 2.7
Titanium (Ti), % 0 to 1.0
0
Zinc (Zn), % 0
9.7 to 14.3
Residuals, % 0
0 to 0.5