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EN 1.4313 Stainless Steel vs. Zamak 7

EN 1.4313 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4313 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, % 12 to 17
13
Fatigue Strength, MPa 340 to 510
47
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 76
33
Shear Strength, MPa 460 to 600
210
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
280
Tensile Strength: Yield (Proof), MPa 580 to 910
250

Thermal Properties

Latent Heat of Fusion, J/g 280
120
Maximum Temperature: Mechanical, °C 780
95
Melting Completion (Liquidus), °C 1450
390
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 25
110
Thermal Expansion, µm/m-K 10
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 10
11
Density, g/cm3 7.8
6.4
Embodied Carbon, kg CO2/kg material 2.4
3.0
Embodied Energy, MJ/kg 34
57
Embodied Water, L/kg 110
380

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
36
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
370
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27 to 36
12
Strength to Weight: Bending, points 23 to 28
15
Thermal Diffusivity, mm2/s 6.7
43
Thermal Shock Resistance, points 27 to 36
8.6

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 78.5 to 84.2
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), % 0.3 to 0.7
0
Nickel (Ni), % 3.5 to 4.5
0.0050 to 0.020
Nitrogen (N), % 0 to 0.020
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