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AWS E2553 vs. AWS E310Nb

Both AWS E2553 and AWS E310Nb are iron alloys. Both are furnished in the as-welded condition. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is AWS E2553 and the bottom bar is AWS E310Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
29
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 850
620

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 14
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
31
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.0
5.3
Embodied Energy, MJ/kg 56
76
Embodied Water, L/kg 190
200

Common Calculations

PREN (Pitting Resistance) 40
28
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 4.3
3.8
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.12
Chromium (Cr), % 24 to 27
25 to 28
Copper (Cu), % 1.5 to 2.5
0 to 0.75
Iron (Fe), % 55.2 to 64.5
44.1 to 53.3
Manganese (Mn), % 0.5 to 1.5
1.0 to 2.5
Molybdenum (Mo), % 2.9 to 3.9
0 to 0.75
Nickel (Ni), % 6.5 to 8.5
20 to 22
Niobium (Nb), % 0
0.7 to 1.0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030