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AWS E310Nb vs. EN 1.4550 Stainless Steel

Both AWS E310Nb and EN 1.4550 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E310Nb and the bottom bar is EN 1.4550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
42
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 620
620

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.3
3.6
Embodied Energy, MJ/kg 76
51
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 28
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 25 to 28
17 to 19
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 44.1 to 53.3
64.9 to 74
Manganese (Mn), % 1.0 to 2.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 20 to 22
9.0 to 12
Niobium (Nb), % 0.7 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015