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AWS E209 vs. EN 1.7390 Steel

Both AWS E209 and EN 1.7390 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 (13, in this case) are not shown.

For each property being compared, the top bar is AWS E209 and the bottom bar is EN 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
16
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 770
710

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
4.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.7
Embodied Energy, MJ/kg 63
23
Embodied Water, L/kg 180
69

Common Calculations

PREN (Pitting Resistance) 33
6.8
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
23
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.18
Chromium (Cr), % 20.5 to 24
4.0 to 6.0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 51.5 to 64.3
91.9 to 95.3
Manganese (Mn), % 4.0 to 7.0
0.3 to 0.8
Molybdenum (Mo), % 1.5 to 3.0
0.45 to 0.65
Nickel (Ni), % 9.5 to 12
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
Vanadium (V), % 0.1 to 0.3
0