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AWS E330 vs. EN 1.6956 Steel

Both AWS E330 and EN 1.6956 steel are iron alloys. They have 52% 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 E330 and the bottom bar is EN 1.6956 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 29
9.6
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 580
1230

Thermal Properties

Latent Heat of Fusion, J/g 300
250
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
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
5.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.4
2.2
Embodied Energy, MJ/kg 75
31
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 17
2.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
43
Strength to Weight: Bending, points 19
32
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 16
36

Alloy Composition

Carbon (C), % 0.18 to 0.25
0.28 to 0.38
Chromium (Cr), % 14 to 17
1.0 to 1.7
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 40.7 to 51.8
92.4 to 95.3
Manganese (Mn), % 1.0 to 2.5
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.75
0.3 to 0.6
Nickel (Ni), % 33 to 37
2.9 to 3.8
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.080 to 0.25