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C36200 Brass vs. Zamak 2

C36200 brass belongs to the copper alloys classification, while Zamak 2 belongs to the zinc alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 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 C36200 brass and the bottom bar is Zamak 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
87
Elongation at Break, % 20 to 53
6.0
Poisson's Ratio 0.31
0.26
Rockwell B Hardness 62 to 78
63
Shear Modulus, GPa 39
33
Shear Strength, MPa 210 to 240
320
Tensile Strength: Ultimate (UTS), MPa 340 to 420
360
Tensile Strength: Yield (Proof), MPa 130 to 360
270

Thermal Properties

Latent Heat of Fusion, J/g 170
130
Maximum Temperature: Mechanical, °C 120
95
Melting Completion (Liquidus), °C 900
390
Melting Onset (Solidus), °C 890
380
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 120
110
Thermal Expansion, µm/m-K 21
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
25
Electrical Conductivity: Equal Weight (Specific), % IACS 28
35

Otherwise Unclassified Properties

Base Metal Price, % relative 23
12
Density, g/cm3 8.2
6.5
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 45
57
Embodied Water, L/kg 320
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 140
20
Resilience: Unit (Modulus of Resilience), kJ/m3 89 to 630
420
Stiffness to Weight: Axial, points 6.9
7.5
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 11 to 14
15
Strength to Weight: Bending, points 13 to 15
17
Thermal Diffusivity, mm2/s 37
41
Thermal Shock Resistance, points 11 to 14
11

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 60 to 63
2.5 to 3.3
Iron (Fe), % 0 to 0.15
0 to 0.1
Lead (Pb), % 3.5 to 4.5
0 to 0.0050
Magnesium (Mg), % 0
0.020 to 0.060
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.030
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 32.4 to 36.5
92.2 to 94