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AWS E209 vs. EN 1.1221 Steel

Both AWS E209 and EN 1.1221 steel are iron alloys. They have 59% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS E209 and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
10 to 21
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 770
730 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.5
Embodied Energy, MJ/kg 63
19
Embodied Water, L/kg 180
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
26 to 31
Strength to Weight: Bending, points 24
23 to 26
Thermal Shock Resistance, points 19
23 to 28

Alloy Composition

Carbon (C), % 0 to 0.060
0.57 to 0.65
Chromium (Cr), % 20.5 to 24
0 to 0.4
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 51.5 to 64.3
97.1 to 98.8
Manganese (Mn), % 4.0 to 7.0
0.6 to 0.9
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.1
Nickel (Ni), % 9.5 to 12
0 to 0.4
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0.1 to 0.3
0