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AWS E2209 vs. EN 1.7706 Steel

Both AWS E2209 and EN 1.7706 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 (7, in this case) are not shown.

For each property being compared, the top bar is AWS E2209 and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 770
690

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.7
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.0
2.3
Embodied Energy, MJ/kg 55
32
Embodied Water, L/kg 170
57

Common Calculations

PREN (Pitting Resistance) 35
4.7
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 20
20

Alloy Composition

Carbon (C), % 0 to 0.040
0.15 to 0.2
Chromium (Cr), % 21.5 to 23.5
1.2 to 1.5
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 58.4 to 66.9
94.7 to 97.1
Manganese (Mn), % 0.5 to 2.0
0.5 to 0.9
Molybdenum (Mo), % 2.5 to 3.5
0.9 to 1.1
Nickel (Ni), % 8.5 to 10.5
0 to 0.4
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3