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Zamak 7 vs. S44735 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while S44735 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
220
Elastic (Young's, Tensile) Modulus, GPa 86
210
Elongation at Break, % 13
21
Fatigue Strength, MPa 47
300
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 33
82
Shear Strength, MPa 210
390
Tensile Strength: Ultimate (UTS), MPa 280
630
Tensile Strength: Yield (Proof), MPa 250
460

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1420
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 27
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
21
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
4.4
Embodied Energy, MJ/kg 57
61
Embodied Water, L/kg 380
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
120
Resilience: Unit (Modulus of Resilience), kJ/m3 370
520
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 12
23
Strength to Weight: Bending, points 15
21
Thermal Shock Resistance, points 8.6
20

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
60.7 to 68.4
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 0.0050 to 0.020
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0010
0
Titanium (Ti), % 0
0.2 to 1.0
Zinc (Zn), % 95.3 to 96.5
0