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EN 1.4594 Stainless Steel vs. Zamak 7

EN 1.4594 stainless steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc 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 EN 1.4594 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
86
Elongation at Break, % 11 to 17
13
Fatigue Strength, MPa 490 to 620
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 76
33
Shear Strength, MPa 620 to 700
210
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
280
Tensile Strength: Yield (Proof), MPa 810 to 1140
250

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Maximum Temperature: Mechanical, °C 820
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 16
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.9
6.4
Embodied Carbon, kg CO2/kg material 3.2
3.0
Embodied Energy, MJ/kg 45
57
Embodied Water, L/kg 130
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
36
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 36 to 41
12
Strength to Weight: Bending, points 29 to 31
15
Thermal Diffusivity, mm2/s 4.4
43
Thermal Shock Resistance, points 34 to 39
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.070
0
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 1.2 to 2.0
0 to 0.25
Iron (Fe), % 72.6 to 79.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.2 to 2.0
0
Nickel (Ni), % 5.0 to 6.0
0.0050 to 0.020
Niobium (Nb), % 0.15 to 0.6
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5