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S20433 Stainless Steel vs. ZA-8

S20433 stainless steel belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 32 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 S20433 stainless steel and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
87 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
85 to 86
Elongation at Break, % 46
1.3 to 8.0
Fatigue Strength, MPa 250
51 to 100
Poisson's Ratio 0.28
0.26
Rockwell B Hardness 82
54 to 65
Shear Modulus, GPa 76
34
Shear Strength, MPa 440
240 to 280
Tensile Strength: Ultimate (UTS), MPa 630
210 to 370
Tensile Strength: Yield (Proof), MPa 270
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 280
110
Maximum Temperature: Mechanical, °C 900
100
Melting Completion (Liquidus), °C 1400
400
Melting Onset (Solidus), °C 1360
380
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
40

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.7
6.3
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 39
62
Embodied Water, L/kg 150
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 180
260 to 490
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 23
9.3 to 17
Strength to Weight: Bending, points 21
12 to 18
Thermal Diffusivity, mm2/s 4.0
42
Thermal Shock Resistance, points 14
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 0.080
0
Chromium (Cr), % 17 to 18
0
Copper (Cu), % 1.5 to 3.5
0.8 to 1.3
Iron (Fe), % 64.1 to 72.4
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 5.5 to 7.5
0
Nickel (Ni), % 3.5 to 5.5
0 to 0.020
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.045
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
89.7 to 91.2