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S31254 Stainless Steel vs. ZA-27

S31254 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 (7, in this case) are not shown.

For each property being compared, the top bar is S31254 stainless steel and the bottom bar is ZA-27.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
100 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
78
Elongation at Break, % 40
2.0 to 4.5
Fatigue Strength, MPa 290
110 to 170
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 84
60 to 72
Shear Modulus, GPa 80
31
Shear Strength, MPa 490
230 to 330
Tensile Strength: Ultimate (UTS), MPa 720
400 to 430
Tensile Strength: Yield (Proof), MPa 330
260 to 370

Thermal Properties

Latent Heat of Fusion, J/g 300
130
Maximum Temperature: Mechanical, °C 1090
120
Melting Completion (Liquidus), °C 1460
480
Melting Onset (Solidus), °C 1420
380
Specific Heat Capacity, J/kg-K 460
530
Thermal Conductivity, W/m-K 14
130
Thermal Expansion, µm/m-K 17
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
53

Otherwise Unclassified Properties

Base Metal Price, % relative 28
11
Density, g/cm3 8.0
5.0
Embodied Carbon, kg CO2/kg material 5.5
4.2
Embodied Energy, MJ/kg 74
80
Embodied Water, L/kg 190
570

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
8.1 to 18
Resilience: Unit (Modulus of Resilience), kJ/m3 270
420 to 890
Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 24
28
Strength to Weight: Axial, points 25
22 to 24
Strength to Weight: Bending, points 22
24 to 25
Thermal Diffusivity, mm2/s 3.8
47
Thermal Shock Resistance, points 15
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), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
2.0 to 2.5
Iron (Fe), % 51.4 to 56.3
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
Molybdenum (Mo), % 6.0 to 6.5
0
Nickel (Ni), % 17.5 to 18.5
0 to 0.020
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.8
0 to 0.080
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
69.3 to 73