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EN 1.4477 Stainless Steel vs. Zamak 7

EN 1.4477 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 1.4477 stainless steel and the bottom bar is Zamak 7.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
80
Elastic (Young's, Tensile) Modulus, GPa 210
86
Elongation at Break, % 22 to 23
13
Fatigue Strength, MPa 420 to 490
47
Poisson's Ratio 0.27
0.25
Shear Modulus, GPa 81
33
Shear Strength, MPa 550 to 580
210
Tensile Strength: Ultimate (UTS), MPa 880 to 930
280
Tensile Strength: Yield (Proof), MPa 620 to 730
250

Thermal Properties

Latent Heat of Fusion, J/g 300
120
Maximum Temperature: Mechanical, °C 1100
95
Melting Completion (Liquidus), °C 1430
390
Melting Onset (Solidus), °C 1380
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 13
110
Thermal Expansion, µm/m-K 13
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 20
11
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 3.7
3.0
Embodied Energy, MJ/kg 52
57
Embodied Water, L/kg 190
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
36
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
370
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 31 to 33
12
Strength to Weight: Bending, points 26 to 27
15
Thermal Diffusivity, mm2/s 3.5
43
Thermal Shock Resistance, points 23 to 25
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.8
0 to 0.25
Iron (Fe), % 56.6 to 63.6
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0.8 to 1.5
0
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
0.0050 to 0.020
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0010
Zinc (Zn), % 0
95.3 to 96.5