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C33200 Brass vs. AWS ENiCu-7

C33200 brass belongs to the copper alloys classification, while AWS ENiCu-7 belongs to the nickel 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 (6, in this case) are not shown.

For each property being compared, the top bar is C33200 brass and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
160
Elongation at Break, % 7.0 to 60
34
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
62
Tensile Strength: Ultimate (UTS), MPa 320 to 520
550

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Melting Completion (Liquidus), °C 930
1270
Melting Onset (Solidus), °C 900
1230
Specific Heat Capacity, J/kg-K 380
430
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 28
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
50
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 44
110
Embodied Water, L/kg 320
250

Common Calculations

Stiffness to Weight: Axial, points 7.1
10
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 11 to 17
17
Strength to Weight: Bending, points 13 to 17
17
Thermal Diffusivity, mm2/s 37
5.5
Thermal Shock Resistance, points 11 to 17
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.75
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 65 to 68
20.6 to 38
Iron (Fe), % 0 to 0.070
0 to 2.5
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 4.0
Nickel (Ni), % 0
62 to 69
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 1.0
Zinc (Zn), % 29 to 33.5
0
Residuals, % 0
0 to 0.5