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ZA-27 vs. S43940 Stainless Steel

ZA-27 belongs to the zinc alloys classification, while S43940 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-27 and the bottom bar is S43940 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
160
Elastic (Young's, Tensile) Modulus, GPa 78
200
Elongation at Break, % 2.0 to 4.5
21
Fatigue Strength, MPa 110 to 170
180
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 60 to 72
76
Shear Modulus, GPa 31
77
Shear Strength, MPa 230 to 330
310
Tensile Strength: Ultimate (UTS), MPa 400 to 430
490
Tensile Strength: Yield (Proof), MPa 260 to 370
280

Thermal Properties

Latent Heat of Fusion, J/g 130
280
Maximum Temperature: Mechanical, °C 120
890
Melting Completion (Liquidus), °C 480
1440
Melting Onset (Solidus), °C 380
1400
Specific Heat Capacity, J/kg-K 530
480
Thermal Conductivity, W/m-K 130
25
Thermal Expansion, µm/m-K 26
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 53
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 5.0
7.7
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 80
38
Embodied Water, L/kg 570
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
86
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
200
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 28
25
Strength to Weight: Axial, points 22 to 24
18
Strength to Weight: Bending, points 24 to 25
18
Thermal Diffusivity, mm2/s 47
6.8
Thermal Shock Resistance, points 14 to 15
18

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 2.0 to 2.5
0
Iron (Fe), % 0 to 0.1
78.2 to 82.1
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.020
0
Niobium (Nb), % 0
0.3 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0.1 to 0.6
Zinc (Zn), % 69.3 to 73
0