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EN 1.4935 Stainless Steel vs. Zamak 7

EN 1.4935 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 1.4935 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, % 16 to 18
13
Fatigue Strength, MPa 350 to 400
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 76
33
Shear Strength, MPa 480 to 540
210
Tensile Strength: Ultimate (UTS), MPa 780 to 880
280
Tensile Strength: Yield (Proof), MPa 570 to 670
250

Thermal Properties

Latent Heat of Fusion, J/g 270
120
Maximum Temperature: Mechanical, °C 740
95
Melting Completion (Liquidus), °C 1460
390
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 24
110
Thermal Expansion, µm/m-K 11
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
38

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
11
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 2.9
3.0
Embodied Energy, MJ/kg 42
57
Embodied Water, L/kg 100
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
36
Resilience: Unit (Modulus of Resilience), kJ/m3 830 to 1160
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28 to 31
12
Strength to Weight: Bending, points 24 to 26
15
Thermal Diffusivity, mm2/s 6.5
43
Thermal Shock Resistance, points 27 to 30
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.17 to 0.24
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 83 to 86.7
0 to 0.075
Lead (Pb), % 0
0 to 0.0030
Magnesium (Mg), % 0
0.0050 to 0.020
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 0.3 to 0.8
0.0050 to 0.020
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0010
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0.2 to 0.35
0
Zinc (Zn), % 0
95.3 to 96.5