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AISI 445 Stainless Steel vs. ZA-27

AISI 445 stainless steel belongs to the iron alloys classification, while ZA-27 belongs to the zinc 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 AISI 445 stainless steel and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
78
Elongation at Break, % 25
2.0 to 4.5
Fatigue Strength, MPa 160
110 to 170
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 71
60 to 72
Shear Modulus, GPa 78
31
Shear Strength, MPa 310
230 to 330
Tensile Strength: Ultimate (UTS), MPa 480
400 to 430
Tensile Strength: Yield (Proof), MPa 230
260 to 370

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
5.0
Embodied Carbon, kg CO2/kg material 2.6
4.2
Embodied Energy, MJ/kg 38
80
Embodied Water, L/kg 130
570

Common Calculations

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

Alloy Composition

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