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SAE-AISI 5150 Steel vs. EN 1.4024 Stainless Steel

Both SAE-AISI 5150 steel and EN 1.4024 stainless steel are iron alloys. They have 88% 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 SAE-AISI 5150 steel and the bottom bar is EN 1.4024 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
15 to 22
Fatigue Strength, MPa 240
220 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 360
370 to 460
Tensile Strength: Ultimate (UTS), MPa 580
590 to 750
Tensile Strength: Yield (Proof), MPa 350
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
27
Embodied Water, L/kg 49
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 320
280 to 660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
21 to 27
Strength to Weight: Bending, points 20
20 to 24
Thermal Diffusivity, mm2/s 13
8.1
Thermal Shock Resistance, points 17
21 to 26

Alloy Composition

Carbon (C), % 0.48 to 0.53
0.12 to 0.17
Chromium (Cr), % 0.7 to 0.9
12 to 14
Iron (Fe), % 97.2 to 98
83.8 to 87.9
Manganese (Mn), % 0.7 to 0.9
0 to 1.0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015