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EN 1.5408 Steel vs. EN 1.5537 Steel

Both EN 1.5408 steel and EN 1.5537 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5408 steel and the bottom bar is EN 1.5537 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 160
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Reduction in Area, % 64 to 69
64 to 69
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 460 to 1620
520 to 1760

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 48
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 57
18 to 63
Strength to Weight: Bending, points 17 to 39
18 to 41
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 13 to 48
15 to 52

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0.00080 to 0.0050
Carbon (C), % 0.28 to 0.32
0.33 to 0.38
Chromium (Cr), % 0 to 0.3
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 97.7 to 98.8
97.6 to 98.9
Manganese (Mn), % 0.8 to 1.0
0.8 to 1.1
Molybdenum (Mo), % 0.080 to 0.12
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants