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S35140 Stainless Steel vs. EN 1.5918 Steel

Both S35140 stainless steel and EN 1.5918 steel are iron alloys. They have 52% 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 S35140 stainless steel and the bottom bar is EN 1.5918 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 690
530 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
43
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.5
1.6
Embodied Energy, MJ/kg 78
21
Embodied Water, L/kg 190
56

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
19 to 49
Strength to Weight: Bending, points 22
18 to 35
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 16
15 to 41

Alloy Composition

Carbon (C), % 0 to 0.1
0.14 to 0.2
Chromium (Cr), % 20 to 22
1.4 to 1.7
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 44.1 to 52.7
94.9 to 96.6
Manganese (Mn), % 1.0 to 3.0
0.5 to 0.9
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 25 to 27
1.4 to 1.7
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025