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C85800 Brass vs. AWS ERNiCu-7

C85800 brass belongs to the copper alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. They have a modest 29% 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 C85800 brass and the bottom bar is AWS ERNiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
160
Elongation at Break, % 15
34
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
61
Tensile Strength: Ultimate (UTS), MPa 380
550

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Melting Completion (Liquidus), °C 900
1280
Melting Onset (Solidus), °C 870
1240
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 84
20
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
3.2
Electrical Conductivity: Equal Weight (Specific), % IACS 22
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
50
Density, g/cm3 8.0
8.7
Embodied Carbon, kg CO2/kg material 2.8
8.5
Embodied Energy, MJ/kg 47
120
Embodied Water, L/kg 330
250

Common Calculations

Stiffness to Weight: Axial, points 7.2
10
Stiffness to Weight: Bending, points 20
21
Strength to Weight: Axial, points 13
18
Strength to Weight: Bending, points 15
17
Thermal Diffusivity, mm2/s 27
5.3
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0 to 0.55
0 to 1.3
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 57 to 69
18.3 to 36.5
Iron (Fe), % 0 to 0.5
0 to 2.5
Lead (Pb), % 0 to 1.5
0
Manganese (Mn), % 0 to 0.25
0 to 4.0
Nickel (Ni), % 0 to 0.5
62 to 69
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.25
0 to 1.3
Sulfur (S), % 0 to 0.050
0 to 0.015
Tin (Sn), % 0 to 1.5
0
Titanium (Ti), % 0
1.5 to 3.0
Zinc (Zn), % 31 to 41
0
Residuals, % 0
0 to 0.5