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Zamak 5 vs. ASTM Grade HD Steel

Zamak 5 belongs to the zinc alloys classification, while ASTM grade HD steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is ASTM grade HD steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.3
9.1
Fatigue Strength, MPa 56
140
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 33
80
Tensile Strength: Ultimate (UTS), MPa 330
590
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1410
Melting Onset (Solidus), °C 380
1370
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 27
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
17
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 57
45
Embodied Water, L/kg 380
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
44
Resilience: Unit (Modulus of Resilience), kJ/m3 330
180
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 14
21
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 42
4.3
Thermal Shock Resistance, points 9.9
19

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.5
Chromium (Cr), % 0
26 to 30
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.1
58.4 to 70
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
4.0 to 7.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 94.3 to 95.7
0