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EN 1.7220 Steel vs. S41041 Stainless Steel

Both EN 1.7220 steel and S41041 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.7220 steel and the bottom bar is S41041 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 290
240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 520 to 1720
910

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
740
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
29
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 2.5
8.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.2
Embodied Energy, MJ/kg 20
31
Embodied Water, L/kg 51
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 61
32
Strength to Weight: Bending, points 18 to 41
27
Thermal Diffusivity, mm2/s 12
7.8
Thermal Shock Resistance, points 15 to 50
33

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.3 to 0.37
0.13 to 0.18
Chromium (Cr), % 0.9 to 1.2
11.5 to 13
Iron (Fe), % 96.8 to 98.1
84.5 to 87.8
Manganese (Mn), % 0.6 to 0.9
0.4 to 0.6
Molybdenum (Mo), % 0.15 to 0.3
0 to 0.2
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.030