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EN 1.5515 Steel vs. SAE-AISI 5150 Steel

Both EN 1.5515 steel and SAE-AISI 5150 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 1.5515 steel and the bottom bar is SAE-AISI 5150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 170
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 490 to 1760
580

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
49
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
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
2.1
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
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 63
20
Strength to Weight: Bending, points 18 to 41
20
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 14 to 52
17

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.35 to 0.4
0.48 to 0.53
Chromium (Cr), % 0 to 0.3
0.7 to 0.9
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.8 to 98.9
97.2 to 98
Manganese (Mn), % 0.6 to 0.9
0.7 to 0.9
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0.15 to 0.3
0.15 to 0.35
Sulfur (S), % 0 to 0.025
0 to 0.040