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AWS E309Nb vs. EN 1.4646 Stainless Steel

Both AWS E309Nb and EN 1.4646 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS E309Nb and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 620
750

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.4
2.8
Embodied Energy, MJ/kg 64
41
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 25
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 21
24
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.12
0.020 to 0.1
Chromium (Cr), % 22 to 25
17 to 19
Copper (Cu), % 0 to 0.75
1.5 to 3.0
Iron (Fe), % 54.8 to 64.8
59 to 67.3
Manganese (Mn), % 0.5 to 2.5
10.5 to 12.5
Molybdenum (Mo), % 0 to 0.75
0 to 0.5
Nickel (Ni), % 12 to 14
3.5 to 4.5
Niobium (Nb), % 0.7 to 1.0
0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015