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Zamak 7 vs. EN 1.4749 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.4749 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 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
180
Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 13
16
Fatigue Strength, MPa 47
190
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 33
80
Shear Strength, MPa 210
370
Tensile Strength: Ultimate (UTS), MPa 280
600
Tensile Strength: Yield (Proof), MPa 250
320

Thermal Properties

Latent Heat of Fusion, J/g 120
300
Maximum Temperature: Mechanical, °C 95
1100
Melting Completion (Liquidus), °C 390
1420
Melting Onset (Solidus), °C 380
1380
Specific Heat Capacity, J/kg-K 410
490
Thermal Conductivity, W/m-K 110
17
Thermal Expansion, µm/m-K 27
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 38
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 6.4
7.6
Embodied Carbon, kg CO2/kg material 3.0
2.5
Embodied Energy, MJ/kg 57
36
Embodied Water, L/kg 380
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
80
Resilience: Unit (Modulus of Resilience), kJ/m3 370
250
Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 12
22
Strength to Weight: Bending, points 15
21
Thermal Diffusivity, mm2/s 43
4.6
Thermal Shock Resistance, points 8.6
22

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.15 to 0.2
Chromium (Cr), % 0
26 to 29
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
68.5 to 73.7
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
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0