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EN 1.3558 Steel vs. AWS E318

Both EN 1.3558 steel and AWS E318 are iron alloys. They have 69% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is AWS E318.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 770
620

Thermal Properties

Latent Heat of Fusion, J/g 240
290
Melting Completion (Liquidus), °C 1810
1440
Melting Onset (Solidus), °C 1760
1400
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 45
23
Density, g/cm3 9.3
7.9
Embodied Carbon, kg CO2/kg material 8.4
4.4
Embodied Energy, MJ/kg 130
62
Embodied Water, L/kg 90
160

Common Calculations

PREN (Pitting Resistance) 35
27
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 5.3
4.0
Thermal Shock Resistance, points 22
16

Alloy Composition

Carbon (C), % 0.7 to 0.8
0 to 0.080
Chromium (Cr), % 3.9 to 4.3
17 to 20
Copper (Cu), % 0 to 0.3
0 to 0.75
Iron (Fe), % 73.7 to 77.6
57.6 to 69.5
Manganese (Mn), % 0 to 0.4
0.5 to 2.5
Molybdenum (Mo), % 0 to 0.6
2.0 to 3.0
Nickel (Ni), % 0
11 to 14
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0