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S17400 Stainless Steel vs. ZA-8

S17400 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 (10, in this case) are not shown.

For each property being compared, the top bar is S17400 stainless steel and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
87 to 100
Elastic (Young's, Tensile) Modulus, GPa 190
85 to 86
Elongation at Break, % 11 to 21
1.3 to 8.0
Fatigue Strength, MPa 380 to 670
51 to 100
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 75
34
Shear Strength, MPa 570 to 830
240 to 280
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
210 to 370
Tensile Strength: Yield (Proof), MPa 580 to 1250
210 to 290

Thermal Properties

Latent Heat of Fusion, J/g 280
110
Maximum Temperature: Mechanical, °C 850
100
Melting Completion (Liquidus), °C 1440
400
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 17
120
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
40

Otherwise Unclassified Properties

Base Metal Price, % relative 14
11
Density, g/cm3 7.8
6.3
Embodied Carbon, kg CO2/kg material 2.7
3.3
Embodied Energy, MJ/kg 39
62
Embodied Water, L/kg 130
420

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
2.8 to 28
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
260 to 490
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 49
9.3 to 17
Strength to Weight: Bending, points 27 to 35
12 to 18
Thermal Diffusivity, mm2/s 4.5
42
Thermal Shock Resistance, points 30 to 46
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 0.070
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 3.0 to 5.0
0.8 to 1.3
Iron (Fe), % 70.4 to 78.9
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
Nickel (Ni), % 3.0 to 5.0
0 to 0.020
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
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

Comparable Variants