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Grade 250 Maraging Steel vs. Zamak 5

Grade 250 maraging steel belongs to the iron alloys classification, while Zamak 5 belongs to the zinc alloys. There are 24 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Compressive (Crushing) Strength, MPa 730 to 1660
600
Elastic (Young's, Tensile) Modulus, GPa 190
87
Elongation at Break, % 7.3 to 17
6.3
Poisson's Ratio 0.3
0.25
Shear Modulus, GPa 75
33
Shear Strength, MPa 600 to 1060
260
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
330
Tensile Strength: Yield (Proof), MPa 660 to 1740
240

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 32
12
Density, g/cm3 8.2
6.4
Embodied Carbon, kg CO2/kg material 4.9
3.0
Embodied Energy, MJ/kg 65
57
Embodied Water, L/kg 140
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
19
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 33 to 61
14
Strength to Weight: Bending, points 26 to 40
16
Thermal Shock Resistance, points 29 to 54
9.9

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
3.5 to 4.3
Boron (B), % 0 to 0.0030
0
Cadmium (Cd), % 0
0 to 0.0050
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
0.7 to 1.3
Iron (Fe), % 66.3 to 71.1
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
0 to 0.020
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0 to 0.030
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0.3 to 0.5
0
Zinc (Zn), % 0
94.3 to 95.7
Zirconium (Zr), % 0 to 0.020
0