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AWS ENiCu-7 vs. C85200 Brass

AWS ENiCu-7 belongs to the nickel alloys classification, while C85200 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 (4, in this case) are not shown.

For each property being compared, the top bar is AWS ENiCu-7 and the bottom bar is C85200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
110
Elongation at Break, % 34
28
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 62
40
Tensile Strength: Ultimate (UTS), MPa 550
270

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Melting Completion (Liquidus), °C 1270
940
Melting Onset (Solidus), °C 1230
930
Specific Heat Capacity, J/kg-K 430
380
Thermal Conductivity, W/m-K 21
84
Thermal Expansion, µm/m-K 13
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
18
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
19

Otherwise Unclassified Properties

Base Metal Price, % relative 50
26
Density, g/cm3 8.7
8.4
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
7.0
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 17
8.9
Strength to Weight: Bending, points 17
11
Thermal Diffusivity, mm2/s 5.5
27
Thermal Shock Resistance, points 18
9.3

Alloy Composition

Aluminum (Al), % 0 to 0.75
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 20.6 to 38
70 to 74
Iron (Fe), % 0 to 2.5
0 to 0.6
Lead (Pb), % 0
1.5 to 3.8
Manganese (Mn), % 0 to 4.0
0
Nickel (Ni), % 62 to 69
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 1.5
0 to 0.050
Sulfur (S), % 0 to 0.015
0 to 0.050
Tin (Sn), % 0
0.7 to 2.0
Titanium (Ti), % 0 to 1.0
0
Zinc (Zn), % 0
20 to 27
Residuals, % 0
0 to 0.9