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EN 1.7230 Steel vs. S41050 Stainless Steel

Both EN 1.7230 steel and S41050 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7230 steel and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 270
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 12
25
Fatigue Strength, MPa 320 to 460
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 720 to 910
470
Tensile Strength: Yield (Proof), MPa 510 to 740
230

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
720
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.9
Embodied Energy, MJ/kg 20
27
Embodied Water, L/kg 51
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 97
98
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1460
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 32
17
Strength to Weight: Bending, points 23 to 27
17
Thermal Diffusivity, mm2/s 12
7.2
Thermal Shock Resistance, points 21 to 27
17

Alloy Composition

Carbon (C), % 0.3 to 0.37
0 to 0.040
Chromium (Cr), % 0.8 to 1.2
10.5 to 12.5
Iron (Fe), % 96.7 to 98.3
84.2 to 88.9
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.3
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 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030