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EN 1.4805 Stainless Steel vs. Zamak 7

EN 1.4805 stainless steel belongs to the iron alloys classification, while Zamak 7 belongs to the zinc alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4805 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
80
Elastic (Young's, Tensile) Modulus, GPa 200
86
Elongation at Break, % 9.0
13
Fatigue Strength, MPa 130
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 77
33
Tensile Strength: Ultimate (UTS), MPa 490
280
Tensile Strength: Yield (Proof), MPa 250
250

Thermal Properties

Latent Heat of Fusion, J/g 310
120
Maximum Temperature: Mechanical, °C 1000
95
Melting Completion (Liquidus), °C 1390
390
Melting Onset (Solidus), °C 1350
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 14
110
Thermal Expansion, µm/m-K 16
27

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 7.9
6.4
Embodied Carbon, kg CO2/kg material 4.7
3.0
Embodied Energy, MJ/kg 66
57
Embodied Water, L/kg 180
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
36
Resilience: Unit (Modulus of Resilience), kJ/m3 150
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 17
12
Strength to Weight: Bending, points 18
15
Thermal Diffusivity, mm2/s 3.7
43
Thermal Shock Resistance, points 11
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.2 to 0.5
0
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 44.9 to 56.8
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0.0050 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5