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SAE-AISI 5155 Steel vs. EN 1.4652 Stainless Steel

Both SAE-AISI 5155 steel and EN 1.4652 stainless steel are iron alloys. They have 44% of their average alloy composition in common. There are 31 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 5155 steel and the bottom bar is EN 1.4652 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21
45
Fatigue Strength, MPa 260
450
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Shear Strength, MPa 390
610
Tensile Strength: Ultimate (UTS), MPa 620
880
Tensile Strength: Yield (Proof), MPa 380
490

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 49
9.8
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.4
Embodied Energy, MJ/kg 19
87
Embodied Water, L/kg 49
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
340
Resilience: Unit (Modulus of Resilience), kJ/m3 380
570
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
30
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 13
2.6
Thermal Shock Resistance, points 20
20

Alloy Composition

Carbon (C), % 0.51 to 0.59
0 to 0.020
Chromium (Cr), % 0.7 to 0.9
23 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 97.2 to 97.9
38.3 to 46.3
Manganese (Mn), % 0.7 to 0.9
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.0050