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S32950 Stainless Steel vs. ZA-8

S32950 stainless steel belongs to the iron alloys classification, while ZA-8 belongs to the zinc alloys. There are 31 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 S32950 stainless steel and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
87 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
85 to 86
Elongation at Break, % 17
1.3 to 8.0
Fatigue Strength, MPa 330
51 to 100
Poisson's Ratio 0.27
0.26
Shear Modulus, GPa 80
34
Shear Strength, MPa 480
240 to 280
Tensile Strength: Ultimate (UTS), MPa 780
210 to 370
Tensile Strength: Yield (Proof), MPa 550
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 300
110
Maximum Temperature: Mechanical, °C 1100
100
Melting Completion (Liquidus), °C 1430
400
Melting Onset (Solidus), °C 1390
380
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 16
120
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
40

Otherwise Unclassified Properties

Base Metal Price, % relative 17
11
Density, g/cm3 7.7
6.3
Embodied Carbon, kg CO2/kg material 3.4
3.3
Embodied Energy, MJ/kg 47
62
Embodied Water, L/kg 180
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 730
260 to 490
Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 28
9.3 to 17
Strength to Weight: Bending, points 24
12 to 18
Thermal Diffusivity, mm2/s 4.3
42
Thermal Shock Resistance, points 21
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 0.030
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
0.8 to 1.3
Iron (Fe), % 60.3 to 69.4
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
0 to 0.020
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.6
0 to 0.045
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
89.7 to 91.2