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AWS E430Nb vs. EN 1.7390 Steel

Both AWS E430Nb and EN 1.7390 steel are iron alloys. They have 86% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E430Nb and the bottom bar is EN 1.7390 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
16
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 500
710

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
40
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.7
Embodied Energy, MJ/kg 45
23
Embodied Water, L/kg 120
69

Common Calculations

PREN (Pitting Resistance) 18
6.8
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 6.6
11
Thermal Shock Resistance, points 13
20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.18
Chromium (Cr), % 15 to 18
4.0 to 6.0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 76.2 to 84.5
91.9 to 95.3
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.75
0.45 to 0.65
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