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AWS E2553 vs. EN 1.6781 Steel

Both AWS E2553 and EN 1.6781 steel are iron alloys. They have 66% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E2553 and the bottom bar is EN 1.6781 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
17
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 850
830

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
44
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 21
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.0
1.9
Embodied Energy, MJ/kg 56
25
Embodied Water, L/kg 190
60

Common Calculations

PREN (Pitting Resistance) 40
3.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
29
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 21
24

Alloy Composition

Carbon (C), % 0 to 0.060
0.15 to 0.19
Chromium (Cr), % 24 to 27
1.3 to 1.8
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 55.2 to 64.5
92.6 to 94.6
Manganese (Mn), % 0.5 to 1.5
0.55 to 0.8
Molybdenum (Mo), % 2.9 to 3.9
0.45 to 0.6
Nickel (Ni), % 6.5 to 8.5
3.0 to 3.5
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015