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AWS E209 vs. EN 1.6781 Steel

Both AWS E209 and EN 1.6781 steel are iron alloys. They have 64% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS E209 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 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 770
830

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 21
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.4
1.9
Embodied Energy, MJ/kg 63
25
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 33
3.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
29
Strength to Weight: Bending, points 24
25
Thermal Shock Resistance, points 19
24

Alloy Composition

Carbon (C), % 0 to 0.060
0.15 to 0.19
Chromium (Cr), % 20.5 to 24
1.3 to 1.8
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 51.5 to 64.3
92.6 to 94.6
Manganese (Mn), % 4.0 to 7.0
0.55 to 0.8
Molybdenum (Mo), % 1.5 to 3.0
0.45 to 0.6
Nickel (Ni), % 9.5 to 12
3.0 to 3.5
Nitrogen (N), % 0.1 to 0.3
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
Vanadium (V), % 0.1 to 0.3
0