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C34200 Brass vs. AWS ERNiCu-7

C34200 brass belongs to the copper alloys classification, while AWS ERNiCu-7 belongs to the nickel alloys. They have a modest 28% 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 C34200 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, % 3.0 to 17
34
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
61
Tensile Strength: Ultimate (UTS), MPa 370 to 650
550

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Melting Completion (Liquidus), °C 910
1280
Melting Onset (Solidus), °C 890
1240
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 120
20
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
3.2
Electrical Conductivity: Equal Weight (Specific), % IACS 29
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
8.5
Embodied Energy, MJ/kg 45
120
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 13 to 22
18
Strength to Weight: Bending, points 14 to 20
17
Thermal Diffusivity, mm2/s 37
5.3
Thermal Shock Resistance, points 12 to 22
19

Alloy Composition

Aluminum (Al), % 0
0 to 1.3
Carbon (C), % 0
0 to 0.15
Copper (Cu), % 62 to 65
18.3 to 36.5
Iron (Fe), % 0 to 0.1
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 0.030
Silicon (Si), % 0
0 to 1.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
1.5 to 3.0
Zinc (Zn), % 32 to 36.5
0
Residuals, % 0
0 to 0.5