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ZA-27 vs. S44725 Stainless Steel

ZA-27 belongs to the zinc alloys classification, while S44725 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 S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 120
180
Elastic (Young's, Tensile) Modulus, GPa 78
200
Elongation at Break, % 2.0 to 4.5
22
Fatigue Strength, MPa 110 to 170
210
Poisson's Ratio 0.27
0.27
Rockwell B Hardness 60 to 72
84
Shear Modulus, GPa 31
81
Shear Strength, MPa 230 to 330
320
Tensile Strength: Ultimate (UTS), MPa 400 to 430
500
Tensile Strength: Yield (Proof), MPa 260 to 370
310

Thermal Properties

Latent Heat of Fusion, J/g 130
290
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 480
1450
Melting Onset (Solidus), °C 380
1410
Specific Heat Capacity, J/kg-K 530
480
Thermal Conductivity, W/m-K 130
17
Thermal Expansion, µm/m-K 26
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 53
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 5.0
7.7
Embodied Carbon, kg CO2/kg material 4.2
3.1
Embodied Energy, MJ/kg 80
44
Embodied Water, L/kg 570
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.1 to 18
99
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 890
240
Stiffness to Weight: Axial, points 8.6
15
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
4.6
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 0.015
Chromium (Cr), % 0
25 to 28.5
Copper (Cu), % 2.0 to 2.5
0
Iron (Fe), % 0 to 0.1
67.6 to 73.5
Lead (Pb), % 0 to 0.0060
0
Magnesium (Mg), % 0.010 to 0.020
0
Manganese (Mn), % 0
0 to 0.4
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0 to 0.020
0 to 0.3
Niobium (Nb), % 0
0 to 0.26
Nitrogen (N), % 0
0 to 0.018
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.080
0 to 0.040
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0030
0
Titanium (Ti), % 0
0 to 0.26
Zinc (Zn), % 69.3 to 73
0