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AWS E383 vs. EN 1.7709 Steel

Both AWS E383 and EN 1.7709 steel are iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS E383 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 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 580
650 to 780

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
33
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 37
3.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
2.3
Embodied Energy, MJ/kg 89
32
Embodied Water, L/kg 240
56

Common Calculations

PREN (Pitting Resistance) 40
3.6
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
23 to 27
Strength to Weight: Bending, points 19
21 to 24
Thermal Diffusivity, mm2/s 3.1
8.9
Thermal Shock Resistance, points 15
22 to 26

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0 to 0.030
0.17 to 0.25
Chromium (Cr), % 26.5 to 29
1.2 to 1.5
Copper (Cu), % 0.6 to 1.5
0
Iron (Fe), % 28.8 to 39.2
95.2 to 97.5
Manganese (Mn), % 0.5 to 2.5
0.4 to 0.8
Molybdenum (Mo), % 3.2 to 4.2
0.55 to 0.8
Nickel (Ni), % 30 to 33
0 to 0.6
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.9
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.030
Vanadium (V), % 0
0.2 to 0.35