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ASTM A356 Grade 10 vs. Zamak 5

ASTM A356 grade 10 belongs to the iron alloys classification, while Zamak 5 belongs to the zinc alloys. There are 30 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 ASTM A356 grade 10 and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
92
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 23
6.3
Fatigue Strength, MPa 300
56
Poisson's Ratio 0.29
0.25
Shear Modulus, GPa 74
33
Tensile Strength: Ultimate (UTS), MPa 670
330
Tensile Strength: Yield (Proof), MPa 430
240

Thermal Properties

Latent Heat of Fusion, J/g 260
120
Maximum Temperature: Mechanical, °C 460
95
Melting Completion (Liquidus), °C 1470
390
Melting Onset (Solidus), °C 1430
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 39
110
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
37

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
12
Density, g/cm3 7.9
6.4
Embodied Carbon, kg CO2/kg material 1.8
3.0
Embodied Energy, MJ/kg 23
57
Embodied Water, L/kg 59
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
19
Resilience: Unit (Modulus of Resilience), kJ/m3 480
330
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 24
14
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 11
42
Thermal Shock Resistance, points 19
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 2.0 to 2.8
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 94.4 to 96.6
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0.5 to 0.8
0
Molybdenum (Mo), % 0.9 to 1.2
0
Nickel (Ni), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.6
0 to 0.030
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
94.3 to 95.7