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AWS E430Nb vs. EN 1.3551 Steel

Both AWS E430Nb and EN 1.3551 steel are iron alloys. They have 85% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS E430Nb and the bottom bar is EN 1.3551 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 77
75
Tensile Strength: Ultimate (UTS), MPa 500
720

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1450
1490
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 24
36
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
8.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.9
Embodied Energy, MJ/kg 45
71
Embodied Water, L/kg 120
82

Common Calculations

PREN (Pitting Resistance) 18
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 6.6
9.8
Thermal Shock Resistance, points 13
21

Alloy Composition

Carbon (C), % 0 to 0.1
0.77 to 0.85
Chromium (Cr), % 15 to 18
3.9 to 4.3
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 76.2 to 84.5
88.8 to 91.1
Manganese (Mn), % 0 to 1.0
0.15 to 0.35
Molybdenum (Mo), % 0 to 0.75
4.0 to 4.5
Nickel (Ni), % 0 to 0.6
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0
0.9 to 1.1