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EN 1.0540 Steel vs. EN 1.5515 Steel

Both EN 1.0540 steel and EN 1.5515 steel are iron alloys. Their average alloy composition is basically identical. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.0540 steel and the bottom bar is EN 1.5515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
72
Tensile Strength: Ultimate (UTS), MPa 660
490 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 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
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 47
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23
17 to 63
Strength to Weight: Bending, points 22
18 to 41
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 21
14 to 52

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.47 to 0.55
0.35 to 0.4
Chromium (Cr), % 0 to 0.4
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.2 to 98.9
97.8 to 98.9
Manganese (Mn), % 0.6 to 0.9
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.4
0.15 to 0.3
Sulfur (S), % 0 to 0.045
0 to 0.025