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AWS E349 vs. EN 1.7131 Steel

Both AWS E349 and EN 1.7131 steel are iron alloys. They have 68% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E349 and the bottom bar is EN 1.7131 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 770
470 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.2
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.9
1.4
Embodied Energy, MJ/kg 72
19
Embodied Water, L/kg 150
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
17 to 49
Strength to Weight: Bending, points 24
17 to 35
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 20
14 to 41

Alloy Composition

Carbon (C), % 0 to 0.13
0.14 to 0.19
Chromium (Cr), % 18 to 21
0.8 to 1.1
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 60.5 to 71.1
96.8 to 98.1
Manganese (Mn), % 0.5 to 2.5
1.0 to 1.3
Molybdenum (Mo), % 0.35 to 0.65
0
Nickel (Ni), % 8.0 to 10
0
Niobium (Nb), % 0.75 to 1.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 1.3 to 1.8
0
Vanadium (V), % 0.1 to 0.3
0