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EN 1.4986 Stainless Steel vs. Zamak 7

EN 1.4986 stainless steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 31 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 1.4986 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
80
Elastic (Young's, Tensile) Modulus, GPa 200
86
Elongation at Break, % 18
13
Fatigue Strength, MPa 350
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
33
Shear Strength, MPa 460
210
Tensile Strength: Ultimate (UTS), MPa 750
280
Tensile Strength: Yield (Proof), MPa 560
250

Thermal Properties

Latent Heat of Fusion, J/g 290
120
Maximum Temperature: Mechanical, °C 940
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 17
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
38

Otherwise Unclassified Properties

Base Metal Price, % relative 25
11
Density, g/cm3 7.9
6.4
Embodied Carbon, kg CO2/kg material 4.8
3.0
Embodied Energy, MJ/kg 67
57
Embodied Water, L/kg 150
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
36
Resilience: Unit (Modulus of Resilience), kJ/m3 790
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 26
12
Strength to Weight: Bending, points 23
15
Thermal Diffusivity, mm2/s 4.0
43
Thermal Shock Resistance, points 16
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Boron (B), % 0.050 to 0.1
0
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 59.4 to 66.6
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 1.6 to 2.0
0
Nickel (Ni), % 15.5 to 17.5
0.0050 to 0.020
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0.3 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5