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AWS E330H vs. EN 1.7779 Steel

Both AWS E330H and EN 1.7779 steel are iron alloys. They have 51% 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 E330H and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
16
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 690
810

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
4.0
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.8
Embodied Energy, MJ/kg 76
41
Embodied Water, L/kg 180
64

Common Calculations

PREN (Pitting Resistance) 17
5.0
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 19
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.35 to 0.45
0.17 to 0.23
Chromium (Cr), % 14 to 17
3.0 to 3.3
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 40.5 to 51.7
93.8 to 95.4
Manganese (Mn), % 1.0 to 2.5
0.3 to 0.5
Molybdenum (Mo), % 0 to 0.75
0.5 to 0.6
Nickel (Ni), % 33 to 37
0 to 0.3
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
0.45 to 0.55