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Zamak 7 vs. EN 1.4724 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.4724 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is EN 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
170
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 13
16
Fatigue Strength, MPa 47
170
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
75
Shear Strength, MPa 210
340
Tensile Strength: Ultimate (UTS), MPa 280
550
Tensile Strength: Yield (Proof), MPa 250
280

Thermal Properties

Latent Heat of Fusion, J/g 120
290
Maximum Temperature: Mechanical, °C 95
850
Melting Completion (Liquidus), °C 390
1430
Melting Onset (Solidus), °C 380
1390
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 27
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 38
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 57
28
Embodied Water, L/kg 380
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
73
Resilience: Unit (Modulus of Resilience), kJ/m3 370
210
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
20
Strength to Weight: Bending, points 15
19
Thermal Diffusivity, mm2/s 43
5.6
Thermal Shock Resistance, points 8.6
19

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0.7 to 1.2
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
82.2 to 86.6
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
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.7 to 1.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0