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EN 1.5520 Steel vs. S41425 Stainless Steel

Both EN 1.5520 steel and S41425 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.5520 steel and the bottom bar is S41425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 170
280
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
17
Fatigue Strength, MPa 210 to 300
450
Poisson's Ratio 0.29
0.28
Reduction in Area, % 62 to 75
51
Shear Modulus, GPa 73
77
Shear Strength, MPa 290 to 340
570
Tensile Strength: Ultimate (UTS), MPa 410 to 1410
920
Tensile Strength: Yield (Proof), MPa 300 to 480
750

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
810
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
16
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
13
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
40
Embodied Water, L/kg 48
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 230
150
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 600
1420
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 50
33
Strength to Weight: Bending, points 16 to 36
27
Thermal Diffusivity, mm2/s 13
4.4
Thermal Shock Resistance, points 12 to 41
33

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.15 to 0.2
0 to 0.050
Chromium (Cr), % 0 to 0.3
12 to 15
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 97.7 to 98.9
74 to 81.9
Manganese (Mn), % 0.9 to 1.2
0.5 to 1.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 0
4.0 to 7.0
Nitrogen (N), % 0
0.060 to 0.12
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.0050