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AISI 304 Stainless Steel vs. ZA-27

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 290
130
Maximum Temperature: Mechanical, °C 710
120
Melting Completion (Liquidus), °C 1450
480
Melting Onset (Solidus), °C 1400
380
Specific Heat Capacity, J/kg-K 480
530
Thermal Conductivity, W/m-K 16
130
Thermal Expansion, µm/m-K 17
26

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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