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ZA-27 vs. AISI 304 Stainless Steel

ZA-27 belongs to the zinc alloys classification, while AISI 304 stainless steel belongs to the iron 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 ZA-27 and the bottom bar is AISI 304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
170 to 360
Elastic (Young's, Tensile) Modulus, GPa 78
200
Elongation at Break, % 2.0 to 4.5
8.0 to 43
Fatigue Strength, MPa 110 to 170
210 to 440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 31
77
Shear Strength, MPa 230 to 330
400 to 690
Tensile Strength: Ultimate (UTS), MPa 400 to 430
580 to 1180
Tensile Strength: Yield (Proof), MPa 260 to 370
230 to 860

Thermal Properties

Latent Heat of Fusion, J/g 130
290
Maximum Temperature: Mechanical, °C 120
710
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
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 53
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 5.0
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.0
Embodied Energy, MJ/kg 80
43
Embodied Water, L/kg 570
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
86 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
140 to 1870
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 28
25
Strength to Weight: Axial, points 22 to 24
21 to 42
Strength to Weight: Bending, points 24 to 25
20 to 32
Thermal Diffusivity, mm2/s 47
4.2
Thermal Shock Resistance, points 14 to 15
12 to 25

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 2.0 to 2.5
0
Iron (Fe), % 0 to 0.1
66.5 to 74
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.020
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.080
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 69.3 to 73
0