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Zamak 7 vs. EN 1.4451 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.4451 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is EN 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
220
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
25
Fatigue Strength, MPa 47
370
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 33
80
Tensile Strength: Ultimate (UTS), MPa 280
750
Tensile Strength: Yield (Proof), MPa 250
540

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1430
Melting Onset (Solidus), °C 380
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
17
Thermal Expansion, µm/m-K 27
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 38
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 6.4
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 57
53
Embodied Water, L/kg 380
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
170
Resilience: Unit (Modulus of Resilience), kJ/m3 370
710
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
27
Strength to Weight: Bending, points 15
23
Thermal Diffusivity, mm2/s 43
4.5
Thermal Shock Resistance, points 8.6
16

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
25 to 27
Copper (Cu), % 0 to 0.25
2.8 to 3.5
Iron (Fe), % 0 to 0.075
56.2 to 64.6
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0.0050 to 0.020
5.0 to 7.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0