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AWS E2209 vs. EN 1.7715 Steel

Both AWS E2209 and EN 1.7715 steel are iron alloys. They have 65% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS E2209 and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
21
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 770
540

Thermal Properties

Latent Heat of Fusion, J/g 300
250
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
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.0
2.2
Embodied Energy, MJ/kg 55
30
Embodied Water, L/kg 170
52

Common Calculations

PREN (Pitting Resistance) 35
2.4
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 20
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.040
0.1 to 0.15
Chromium (Cr), % 21.5 to 23.5
0.3 to 0.6
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 58.4 to 66.9
96.5 to 98.3
Manganese (Mn), % 0.5 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.5 to 3.5
0.5 to 0.7
Nickel (Ni), % 8.5 to 10.5
0 to 0.3
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0
0.22 to 0.28