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Zamak 3 vs. Grade 250 Maraging Steel

Zamak 3 belongs to the zinc alloys classification, while grade 250 maraging steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 410
730 to 1660
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 11
7.3 to 17
Poisson's Ratio 0.25
0.3
Shear Modulus, GPa 33
75
Shear Strength, MPa 210
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 280
970 to 1800
Tensile Strength: Yield (Proof), MPa 210
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 120
270
Melting Completion (Liquidus), °C 390
1480
Melting Onset (Solidus), °C 380
1430
Specific Heat Capacity, J/kg-K 410
450
Thermal Expansion, µm/m-K 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
32
Density, g/cm3 6.4
8.2
Embodied Carbon, kg CO2/kg material 3.0
4.9
Embodied Energy, MJ/kg 57
65
Embodied Water, L/kg 380
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
130 to 150
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 12
33 to 61
Strength to Weight: Bending, points 15
26 to 40
Thermal Shock Resistance, points 8.6
29 to 54

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Cadmium (Cd), % 0 to 0.0050
0
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.030
Cobalt (Co), % 0
7.0 to 8.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.1
66.3 to 71.1
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 0.020
17 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0 to 0.030
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0.3 to 0.5
Zinc (Zn), % 95.3 to 96.5
0
Zirconium (Zr), % 0
0 to 0.020