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EN 1.4558 Stainless Steel vs. SAE-AISI 4024 Steel

Both EN 1.4558 stainless steel and SAE-AISI 4024 steel are iron alloys. They have 44% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4558 stainless steel and the bottom bar is SAE-AISI 4024 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
14
Fatigue Strength, MPa 170
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 350
370
Tensile Strength: Ultimate (UTS), MPa 510
600
Tensile Strength: Yield (Proof), MPa 200
500

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
1.5
Embodied Energy, MJ/kg 77
19
Embodied Water, L/kg 200
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
77
Resilience: Unit (Modulus of Resilience), kJ/m3 100
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 12
18

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Carbon (C), % 0 to 0.030
0.2 to 0.25
Chromium (Cr), % 20 to 23
0
Iron (Fe), % 39.2 to 47.9
98.1 to 98.7
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 32 to 35
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0.035 to 0.050
Titanium (Ti), % 0 to 0.6
0