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AWS E430Nb vs. EN 1.4107 Stainless Steel

Both AWS E430Nb and EN 1.4107 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E430Nb and the bottom bar is EN 1.4107 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
18 to 21
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 500
620 to 700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
27
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
7.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.1
Embodied Energy, MJ/kg 45
30
Embodied Water, L/kg 120
100

Common Calculations

PREN (Pitting Resistance) 18
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
22 to 25
Strength to Weight: Bending, points 18
21 to 22
Thermal Diffusivity, mm2/s 6.6
7.2
Thermal Shock Resistance, points 13
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 15 to 18
11.5 to 12.5
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 76.2 to 84.5
83.8 to 87.2
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.75
0 to 0.5
Nickel (Ni), % 0 to 0.6
0.8 to 1.5
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0
0 to 0.080