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Zamak 7 vs. S33228 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while S33228 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
34
Fatigue Strength, MPa 47
170
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
79
Shear Strength, MPa 210
380
Tensile Strength: Ultimate (UTS), MPa 280
570
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1410
Melting Onset (Solidus), °C 380
1360
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 27
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 6.4
8.0
Embodied Carbon, kg CO2/kg material 3.0
6.2
Embodied Energy, MJ/kg 57
89
Embodied Water, L/kg 380
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
150
Resilience: Unit (Modulus of Resilience), kJ/m3 370
110
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 12
20
Strength to Weight: Bending, points 15
19
Thermal Shock Resistance, points 8.6
13

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0 to 0.025
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
36.5 to 42.3
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0.0050 to 0.020
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0