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AWS E240 vs. EN 1.3551 Steel

Both AWS E240 and EN 1.3551 steel are iron alloys. They have 69% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E240 and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 770
720

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1390
1490
Melting Onset (Solidus), °C 1350
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
36
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
4.9
Embodied Energy, MJ/kg 42
71
Embodied Water, L/kg 160
82

Common Calculations

PREN (Pitting Resistance) 22
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
26
Strength to Weight: Bending, points 24
23
Thermal Diffusivity, mm2/s 3.9
9.8
Thermal Shock Resistance, points 19
21

Alloy Composition

Carbon (C), % 0 to 0.060
0.77 to 0.85
Chromium (Cr), % 17 to 19
3.9 to 4.3
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 58.6 to 68.4
88.8 to 91.1
Manganese (Mn), % 10.5 to 13.5
0.15 to 0.35
Molybdenum (Mo), % 0 to 0.75
4.0 to 4.5
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0.1 to 0.3
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
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1