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EN 1.7241 Steel vs. S30441 Stainless Steel

Both EN 1.7241 steel and S30441 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7241 steel and the bottom bar is S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 660 to 1990
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
940
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 20
50
Embodied Water, L/kg 51
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 71
21
Strength to Weight: Bending, points 21 to 45
20
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 19 to 59
13

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.080
Chromium (Cr), % 0.7 to 1.0
17.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 96.6 to 97.8
62 to 71.7
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.25 to 0.35
0
Nickel (Ni), % 0
8.0 to 10.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
1.0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
0.2 to 0.8