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EN 1.5408 Steel vs. EN 1.4458 Stainless Steel

Both EN 1.5408 steel and EN 1.4458 stainless steel are iron alloys. They have 48% 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 1.5408 steel and the bottom bar is EN 1.4458 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 160
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 460 to 1620
510

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
16
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.4
Embodied Energy, MJ/kg 19
75
Embodied Water, L/kg 48
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 57
17
Strength to Weight: Bending, points 17 to 39
18
Thermal Diffusivity, mm2/s 13
4.2
Thermal Shock Resistance, points 13 to 48
12

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.28 to 0.32
0 to 0.030
Chromium (Cr), % 0 to 0.3
19 to 22
Copper (Cu), % 0 to 0.25
0 to 2.0
Iron (Fe), % 97.7 to 98.8
40.2 to 53
Manganese (Mn), % 0.8 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.080 to 0.12
2.0 to 2.5
Nickel (Ni), % 0
26 to 30
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.025