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AWS E308LMo vs. EN 1.3558 Steel

Both AWS E308LMo and EN 1.3558 steel are iron alloys. They have 70% 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 AWS E308LMo and the bottom bar is EN 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 580
770

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Melting Completion (Liquidus), °C 1440
1810
Melting Onset (Solidus), °C 1400
1760
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 16
20
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
45
Density, g/cm3 7.9
9.3
Embodied Carbon, kg CO2/kg material 3.8
8.4
Embodied Energy, MJ/kg 53
130
Embodied Water, L/kg 160
90

Common Calculations

PREN (Pitting Resistance) 28
35
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.2
5.3
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.040
0.7 to 0.8
Chromium (Cr), % 18 to 21
3.9 to 4.3
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 59.6 to 70.5
73.7 to 77.6
Manganese (Mn), % 0.5 to 2.5
0 to 0.4
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.6
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.0 to 1.3