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ZA-8 vs. EN 1.4729 Stainless Steel

ZA-8 belongs to the zinc alloys classification, while EN 1.4729 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ZA-8 and the bottom bar is EN 1.4729 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 87 to 100
260
Elastic (Young's, Tensile) Modulus, GPa 85 to 86
190
Elongation at Break, % 1.3 to 8.0
15
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 34
75

Thermal Properties

Latent Heat of Fusion, J/g 110
300
Maximum Temperature: Mechanical, °C 100
850
Melting Completion (Liquidus), °C 400
1420
Melting Onset (Solidus), °C 380
1380
Specific Heat Capacity, J/kg-K 440
490
Thermal Conductivity, W/m-K 120
24
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 40
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.5
Density, g/cm3 6.3
7.6
Embodied Carbon, kg CO2/kg material 3.3
2.1
Embodied Energy, MJ/kg 62
29
Embodied Water, L/kg 420
100

Common Calculations

Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 42
6.5

Alloy Composition

Aluminum (Al), % 8.0 to 8.8
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0.8 to 1.3
0
Iron (Fe), % 0 to 0.075
80.4 to 86.7
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.015 to 0.030
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.020
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.045
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 89.7 to 91.2
0