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AWS E2594 vs. EN 1.7709 Steel

Both AWS E2594 and EN 1.7709 steel are iron alloys. They have 62% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS E2594 and the bottom bar is EN 1.7709 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 850
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
33
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
3.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.3
Embodied Energy, MJ/kg 60
32
Embodied Water, L/kg 190
56

Common Calculations

PREN (Pitting Resistance) 43
3.6
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
23 to 27
Strength to Weight: Bending, points 25
21 to 24
Thermal Diffusivity, mm2/s 4.3
8.9
Thermal Shock Resistance, points 21
22 to 26

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0 to 0.040
0.17 to 0.25
Chromium (Cr), % 24 to 27
1.2 to 1.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 53.8 to 63.8
95.2 to 97.5
Manganese (Mn), % 0.5 to 2.0
0.4 to 0.8
Molybdenum (Mo), % 3.5 to 4.5
0.55 to 0.8
Nickel (Ni), % 8.0 to 10.5
0 to 0.6
Nitrogen (N), % 0.2 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 0.030
Vanadium (V), % 0
0.2 to 0.35