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AWS E209 vs. EN 1.7707 Steel

Both AWS E209 and EN 1.7707 steel are iron alloys. They have 62% of their average alloy composition in common. There are 21 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 1.7707 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
11
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 770
1010

Thermal Properties

Latent Heat of Fusion, J/g 300
250
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
3.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.9
Embodied Energy, MJ/kg 63
27
Embodied Water, L/kg 180
58

Common Calculations

PREN (Pitting Resistance) 33
3.2
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
36
Strength to Weight: Bending, points 24
29
Thermal Shock Resistance, points 19
29

Alloy Composition

Carbon (C), % 0 to 0.060
0.26 to 0.34
Chromium (Cr), % 20.5 to 24
2.3 to 2.7
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 51.5 to 64.3
94.7 to 96.8
Manganese (Mn), % 4.0 to 7.0
0.4 to 0.7
Molybdenum (Mo), % 1.5 to 3.0
0.15 to 0.25
Nickel (Ni), % 9.5 to 12
0 to 0.6
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
0.1 to 0.2