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EN 1.3518 Steel vs. S40920 Stainless Steel

Both EN 1.3518 steel and S40920 stainless steel are iron alloys. They have 89% 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 1.3518 steel and the bottom bar is S40920 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 630
430

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 420
710
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 43
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
6.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.0
Embodied Energy, MJ/kg 20
28
Embodied Water, L/kg 51
94

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
15
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.93 to 1.1
0 to 0.030
Chromium (Cr), % 0.9 to 1.2
10.5 to 11.7
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.3 to 97.8
85.1 to 89.4
Manganese (Mn), % 0.9 to 1.2
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0 to 0.0015
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.45 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.5