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EN 1.4905 Stainless Steel vs. AWS E409Nb

Both EN 1.4905 stainless steel and AWS E409Nb are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4905 stainless steel and the bottom bar is AWS E409Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
23
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 740
500
Tensile Strength: Yield (Proof), MPa 510
380

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
25
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 40
42
Embodied Water, L/kg 90
100

Common Calculations

PREN (Pitting Resistance) 15
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 680
380
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 7.0
6.8
Thermal Shock Resistance, points 25
14

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.12
Chromium (Cr), % 8.5 to 9.5
11 to 14
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 86.2 to 88.8
80.2 to 88.5
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.75
Nickel (Ni), % 0.1 to 0.4
0 to 0.6
Niobium (Nb), % 0.060 to 0.1
0.5 to 1.5
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0