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EN 1.5450 Steel vs. S41050 Stainless Steel

Both EN 1.5450 steel and S41050 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5450 steel and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
25
Fatigue Strength, MPa 310
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 380
300
Tensile Strength: Ultimate (UTS), MPa 620
470
Tensile Strength: Yield (Proof), MPa 460
230

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
720
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
7.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.9
Embodied Energy, MJ/kg 20
27
Embodied Water, L/kg 49
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
98
Resilience: Unit (Modulus of Resilience), kJ/m3 550
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 13
7.2
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0 to 0.060
0
Boron (B), % 0.0020 to 0.0060
0
Carbon (C), % 0.060 to 0.1
0 to 0.040
Chromium (Cr), % 0 to 0.2
10.5 to 12.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 97.6 to 98.8
84.2 to 88.9
Manganese (Mn), % 0.6 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.5
0
Nickel (Ni), % 0
0.6 to 1.1
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.1 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.060
0