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EN 1.4959 Stainless Steel vs. ZA-8

EN 1.4959 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 1.4959 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, % 40
1.3 to 8.0
Fatigue Strength, MPa 170
51 to 100
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 77
34
Shear Strength, MPa 430
240 to 280
Tensile Strength: Ultimate (UTS), MPa 630
210 to 370
Tensile Strength: Yield (Proof), MPa 190
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Maximum Temperature: Mechanical, °C 1090
100
Melting Completion (Liquidus), °C 1400
400
Melting Onset (Solidus), °C 1350
380
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 12
120
Thermal Expansion, µm/m-K 15
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
40

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.0
6.3
Embodied Carbon, kg CO2/kg material 5.4
3.3
Embodied Energy, MJ/kg 76
62
Embodied Water, L/kg 200
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 96
260 to 490
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
9.3 to 17
Strength to Weight: Bending, points 20
12 to 18
Thermal Diffusivity, mm2/s 3.2
42
Thermal Shock Resistance, points 15
7.6 to 13

Alloy Composition

Aluminum (Al), % 0.25 to 0.65
8.0 to 8.8
Cadmium (Cd), % 0
0 to 0.0060
Carbon (C), % 0.050 to 0.1
0
Chromium (Cr), % 19 to 22
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
0.8 to 1.3
Iron (Fe), % 39.4 to 50.5
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 30 to 34
0 to 0.020
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.7
0 to 0.045
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0030
Titanium (Ti), % 0.25 to 0.65
0
Zinc (Zn), % 0
89.7 to 91.2