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Zamak 7 vs. EN 1.3975 Stainless Steel

Zamak 7 belongs to the zinc alloys classification, while EN 1.3975 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is Zamak 7 and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190
Elastic (Young's, Tensile) Modulus, GPa 86
190
Elongation at Break, % 13
27
Fatigue Strength, MPa 47
230
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 33
76
Tensile Strength: Ultimate (UTS), MPa 280
660
Tensile Strength: Yield (Proof), MPa 250
320

Thermal Properties

Latent Heat of Fusion, J/g 120
340
Maximum Temperature: Mechanical, °C 95
910
Melting Completion (Liquidus), °C 390
1360
Melting Onset (Solidus), °C 380
1320
Specific Heat Capacity, J/kg-K 410
500
Thermal Expansion, µm/m-K 27
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 6.4
7.5
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 57
47
Embodied Water, L/kg 380
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
150
Resilience: Unit (Modulus of Resilience), kJ/m3 370
270
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 12
24
Strength to Weight: Bending, points 15
22
Thermal Shock Resistance, points 8.6
15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.075
58.2 to 65.4
Lead (Pb), % 0 to 0.0030
0
Magnesium (Mg), % 0.0050 to 0.020
0
Manganese (Mn), % 0
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0.0050 to 0.020
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0010
0
Zinc (Zn), % 95.3 to 96.5
0