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Zamak 2 vs. ASTM Grade LCB Steel

Zamak 2 belongs to the zinc alloys classification, while ASTM grade LCB steel belongs to the iron alloys. There are 29 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 Zamak 2 and the bottom bar is ASTM grade LCB steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.0
27
Fatigue Strength, MPa 59
200
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 33
72
Tensile Strength: Ultimate (UTS), MPa 360
540
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 130
250
Maximum Temperature: Mechanical, °C 95
400
Melting Completion (Liquidus), °C 390
1450
Melting Onset (Solidus), °C 380
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
51
Thermal Expansion, µm/m-K 28
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 35
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 57
18
Embodied Water, L/kg 380
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
120
Resilience: Unit (Modulus of Resilience), kJ/m3 420
200
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 41
14
Thermal Shock Resistance, points 11
17

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.3
Copper (Cu), % 2.5 to 3.3
0
Iron (Fe), % 0 to 0.1
97 to 100
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.020
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 0.6
Sulfur (S), % 0
0 to 0.045
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0
Residuals, % 0
0 to 1.0