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Zamak 5 vs. ASTM A372 Grade K Steel

Zamak 5 belongs to the zinc alloys classification, while ASTM A372 grade K 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 5 and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92
230
Elastic (Young's, Tensile) Modulus, GPa 87
190
Elongation at Break, % 6.3
23
Fatigue Strength, MPa 56
440
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
73
Shear Strength, MPa 260
490
Tensile Strength: Ultimate (UTS), MPa 330
780
Tensile Strength: Yield (Proof), MPa 240
620

Thermal Properties

Latent Heat of Fusion, J/g 120
250
Maximum Temperature: Mechanical, °C 95
440
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
48
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 37
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
4.4
Density, g/cm3 6.4
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.8
Embodied Energy, MJ/kg 57
24
Embodied Water, L/kg 380
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
160
Resilience: Unit (Modulus of Resilience), kJ/m3 330
1010
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 14
27
Strength to Weight: Bending, points 16
24
Thermal Diffusivity, mm2/s 42
13
Thermal Shock Resistance, points 9.9
23

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.18
Chromium (Cr), % 0
1.0 to 1.8
Copper (Cu), % 0.7 to 1.3
0
Iron (Fe), % 0 to 0.1
93.4 to 96.6
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0.1 to 0.4
Molybdenum (Mo), % 0
0.2 to 0.6
Nickel (Ni), % 0 to 0.020
2.0 to 3.3
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.030
0.15 to 0.35
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 94.3 to 95.7
0