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EN 1.4521 Stainless Steel vs. ZA-8

EN 1.4521 stainless steel belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 30 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 1.4521 stainless steel and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
85 to 86
Elongation at Break, % 23
1.3 to 8.0
Fatigue Strength, MPa 230
51 to 100
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 78
34
Shear Strength, MPa 330
240 to 280
Tensile Strength: Ultimate (UTS), MPa 520
210 to 370
Tensile Strength: Yield (Proof), MPa 340
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 290
110
Maximum Temperature: Mechanical, °C 930
100
Melting Completion (Liquidus), °C 1460
400
Melting Onset (Solidus), °C 1410
380
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 23
120
Thermal Expansion, µm/m-K 10
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
40

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
6.3
Embodied Carbon, kg CO2/kg material 2.8
3.3
Embodied Energy, MJ/kg 39
62
Embodied Water, L/kg 130
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 280
260 to 490
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19
9.3 to 17
Strength to Weight: Bending, points 19
12 to 18
Thermal Diffusivity, mm2/s 6.2
42
Thermal Shock Resistance, points 18
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0
0.8 to 1.3
Iron (Fe), % 74.6 to 81.1
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 0
0 to 0.020
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.045
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0.15 to 0.8
0
Zinc (Zn), % 0
89.7 to 91.2