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AWS E307 vs. EN 1.7378 Steel

Both AWS E307 and EN 1.7378 steel are iron alloys. They have 69% 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 E307 and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
17
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 660
700

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
2.3
Embodied Energy, MJ/kg 49
33
Embodied Water, L/kg 160
61

Common Calculations

PREN (Pitting Resistance) 23
5.8
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 4.1
10
Thermal Shock Resistance, points 17
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0.040 to 0.14
0.050 to 0.1
Chromium (Cr), % 18 to 21.5
2.2 to 2.6
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 59.6 to 69.2
94.6 to 96.1
Manganese (Mn), % 3.3 to 4.8
0.3 to 0.7
Molybdenum (Mo), % 0.5 to 1.5
0.9 to 1.1
Nickel (Ni), % 9.0 to 10.7
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0.15 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3