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ZA-8 vs. S40945 Stainless Steel

ZA-8 belongs to the zinc alloys classification, while S40945 stainless steel belongs to the iron 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 ZA-8 and the bottom bar is S40945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 87 to 100
160
Elastic (Young's, Tensile) Modulus, GPa 85 to 86
190
Elongation at Break, % 1.3 to 8.0
25
Fatigue Strength, MPa 51 to 100
160
Poisson's Ratio 0.26
0.28
Rockwell B Hardness 54 to 65
69
Shear Modulus, GPa 34
75
Shear Strength, MPa 240 to 280
270
Tensile Strength: Ultimate (UTS), MPa 210 to 370
430
Tensile Strength: Yield (Proof), MPa 210 to 290
230

Thermal Properties

Latent Heat of Fusion, J/g 110
270
Maximum Temperature: Mechanical, °C 100
710
Melting Completion (Liquidus), °C 400
1450
Melting Onset (Solidus), °C 380
1410
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 120
26
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 40
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 6.3
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.2
Embodied Energy, MJ/kg 62
31
Embodied Water, L/kg 420
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.8 to 28
89
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
140
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 9.3 to 17
15
Strength to Weight: Bending, points 12 to 18
16
Thermal Diffusivity, mm2/s 42
6.9
Thermal Shock Resistance, points 7.6 to 13
15

Alloy Composition

Aluminum (Al), % 8.0 to 8.8
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 0.8 to 1.3
0
Iron (Fe), % 0 to 0.075
85.1 to 89.3
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.015 to 0.030
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.020
0 to 0.5
Niobium (Nb), % 0
0.18 to 0.4
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.045
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0.050 to 0.2
Zinc (Zn), % 89.7 to 91.2
0