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AWS E16-8-2 vs. AWS E310Nb

Both AWS E16-8-2 and AWS E310Nb are iron alloys. Both are furnished in the as-welded condition. They have 75% of their average alloy composition in common.

For each property being compared, the top bar is AWS E16-8-2 and the bottom bar is AWS E310Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
29
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 620
620

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 14
14

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
31
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.2
5.3
Embodied Energy, MJ/kg 45
76
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 20
28
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
20
Thermal Diffusivity, mm2/s 4.2
3.8
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.12
Chromium (Cr), % 14.5 to 16.5
25 to 28
Copper (Cu), % 0 to 0.75
0 to 0.75
Iron (Fe), % 68 to 76.5
44.1 to 53.3
Manganese (Mn), % 0.5 to 2.5
1.0 to 2.5
Molybdenum (Mo), % 1.0 to 2.0
0 to 0.75
Nickel (Ni), % 7.5 to 9.5
20 to 22
Niobium (Nb), % 0
0.7 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030