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ZA-27 vs. AISI 445 Stainless Steel

ZA-27 belongs to the zinc alloys classification, while AISI 445 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 AISI 445 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
25
Fatigue Strength, MPa 110 to 170
160
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 60 to 72
71
Shear Modulus, GPa 31
78
Shear Strength, MPa 230 to 330
310
Tensile Strength: Ultimate (UTS), MPa 400 to 430
480
Tensile Strength: Yield (Proof), MPa 260 to 370
230

Thermal Properties

Latent Heat of Fusion, J/g 130
290
Maximum Temperature: Mechanical, °C 120
950
Melting Completion (Liquidus), °C 480
1440
Melting Onset (Solidus), °C 380
1390
Specific Heat Capacity, J/kg-K 530
480
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 53
3.0

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
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
98
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
140
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 28
25
Strength to Weight: Axial, points 22 to 24
17
Strength to Weight: Bending, points 24 to 25
18
Thermal Diffusivity, mm2/s 47
5.6
Thermal Shock Resistance, points 14 to 15
16

Alloy Composition

Aluminum (Al), % 25 to 28
0
Cadmium (Cd), % 0 to 0.0060
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 2.0 to 2.5
0.3 to 0.6
Iron (Fe), % 0 to 0.1
74.9 to 80.7
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 to 0.6
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 1.0
Sulfur (S), % 0
0 to 0.012
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 69.3 to 73
0