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Zamak 2 vs. ASTM A387 Grade 9 Steel

Zamak 2 belongs to the zinc alloys classification, while ASTM A387 grade 9 steel belongs to the iron alloys. There are 31 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 Zamak 2 and the bottom bar is ASTM A387 grade 9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.0
20 to 21
Fatigue Strength, MPa 59
160 to 240
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
75
Shear Strength, MPa 320
310 to 380
Tensile Strength: Ultimate (UTS), MPa 360
500 to 600
Tensile Strength: Yield (Proof), MPa 270
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 130
270
Maximum Temperature: Mechanical, °C 95
600
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
26
Thermal Expansion, µm/m-K 28
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 35
10

Otherwise Unclassified Properties

Base Metal Price, % relative 12
6.5
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.1
Embodied Energy, MJ/kg 57
28
Embodied Water, L/kg 380
87

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 420
140 to 310
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
18 to 21
Strength to Weight: Bending, points 17
18 to 20
Thermal Diffusivity, mm2/s 41
6.9
Thermal Shock Resistance, points 11
14 to 17

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
8.0 to 10
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
87.1 to 90.8
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.030
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.0030
0
Vanadium (V), % 0
0 to 0.040
Zinc (Zn), % 92.2 to 94
0