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AWS E409Nb vs. EN 1.4482 Stainless Steel

Both AWS E409Nb and EN 1.4482 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AWS E409Nb and the bottom bar is EN 1.4482 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 500
770 to 800
Tensile Strength: Yield (Proof), MPa 380
530 to 570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 42
38
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 14
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 380
690 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
28 to 29
Strength to Weight: Bending, points 18
24 to 25
Thermal Diffusivity, mm2/s 6.8
4.0
Thermal Shock Resistance, points 14
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 11 to 14
19.5 to 21.5
Copper (Cu), % 0 to 0.75
0 to 1.0
Iron (Fe), % 80.2 to 88.5
66.1 to 74.9
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.75
0.1 to 0.6
Nickel (Ni), % 0 to 0.6
1.5 to 3.5
Niobium (Nb), % 0.5 to 1.5
0
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030