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EN 1.3551 Steel vs. AWS E430Nb

Both EN 1.3551 steel and AWS E430Nb 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 EN 1.3551 steel and the bottom bar is AWS E430Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 720
500

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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