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ZA-27 vs. S31803 Stainless Steel

ZA-27 belongs to the zinc alloys classification, while S31803 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is S31803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
260
Elastic (Young's, Tensile) Modulus, GPa 78
200
Elongation at Break, % 2.0 to 4.5
29
Fatigue Strength, MPa 110 to 170
370
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 31
80
Shear Strength, MPa 230 to 330
460
Tensile Strength: Ultimate (UTS), MPa 400 to 430
710
Tensile Strength: Yield (Proof), MPa 260 to 370
500

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Maximum Temperature: Mechanical, °C 120
1060
Melting Completion (Liquidus), °C 480
1450
Melting Onset (Solidus), °C 380
1400
Specific Heat Capacity, J/kg-K 530
480
Thermal Conductivity, W/m-K 130
16
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 53
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
17
Density, g/cm3 5.0
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.6
Embodied Energy, MJ/kg 80
49
Embodied Water, L/kg 570
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
180
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
630
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 28
25
Strength to Weight: Axial, points 22 to 24
25
Strength to Weight: Bending, points 24 to 25
23
Thermal Diffusivity, mm2/s 47
4.3
Thermal Shock Resistance, points 14 to 15
20

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
21 to 23
Copper (Cu), % 2.0 to 2.5
0
Iron (Fe), % 0 to 0.1
63.7 to 71.9
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.020
4.5 to 6.5
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 69.3 to 73
0