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Zamak 7 vs. EN 1.4859 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.4859 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 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
140
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
23
Fatigue Strength, MPa 47
140
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
76
Tensile Strength: Ultimate (UTS), MPa 280
490
Tensile Strength: Yield (Proof), MPa 250
210

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Maximum Temperature: Mechanical, °C 95
1050
Melting Completion (Liquidus), °C 390
1410
Melting Onset (Solidus), °C 380
1360
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
13
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 38
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 6.4
8.0
Embodied Carbon, kg CO2/kg material 3.0
6.2
Embodied Energy, MJ/kg 57
88
Embodied Water, L/kg 380
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
91
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
17
Strength to Weight: Bending, points 15
17
Thermal Diffusivity, mm2/s 43
3.4
Thermal Shock Resistance, points 8.6
11

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
40.3 to 49
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0.0050 to 0.020
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0