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EN 1.5418 Steel vs. SAE-AISI 1008 Steel

Both EN 1.5418 steel and SAE-AISI 1008 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.5418 steel and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 490 to 1780
330 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
62
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
45

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 63
12 to 13
Strength to Weight: Bending, points 18 to 42
13 to 15
Thermal Diffusivity, mm2/s 13
17
Thermal Shock Resistance, points 14 to 53
10 to 12

Alloy Composition

Carbon (C), % 0.35 to 0.4
0 to 0.1
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.8 to 98.9
99.31 to 99.7
Manganese (Mn), % 0.6 to 0.9
0.3 to 0.5
Molybdenum (Mo), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0 to 0.050