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AWS E430Nb vs. EN 1.7767 Steel

Both AWS E430Nb and EN 1.7767 steel are iron alloys. They have 85% 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 E430Nb and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
20
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 500
670 to 690

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
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
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
4.5
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
2.4
Embodied Energy, MJ/kg 45
33
Embodied Water, L/kg 120
64

Common Calculations

PREN (Pitting Resistance) 18
6.4
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 6.6
11
Thermal Shock Resistance, points 13
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.1
0.1 to 0.15
Chromium (Cr), % 15 to 18
2.8 to 3.3
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 76.2 to 84.5
93.8 to 95.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.75
0.9 to 1.1
Nickel (Ni), % 0 to 0.6
0 to 0.25
Niobium (Nb), % 0.5 to 1.5
0 to 0.070
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3