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AWS E312 vs. N08221 Nickel

AWS E312 belongs to the iron alloys classification, while N08221 nickel belongs to the nickel alloys. They have 60% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS E312 and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
34
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 740
610

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
44
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.6
7.9
Embodied Energy, MJ/kg 52
110
Embodied Water, L/kg 200
240

Common Calculations

PREN (Pitting Resistance) 31
40
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 24
19
Thermal Shock Resistance, points 18
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Carbon (C), % 0 to 0.15
0 to 0.025
Chromium (Cr), % 28 to 32
20 to 22
Copper (Cu), % 0 to 0.75
1.5 to 3.0
Iron (Fe), % 52.3 to 63.5
22 to 33.9
Manganese (Mn), % 0.5 to 2.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
5.0 to 6.5
Nickel (Ni), % 8.0 to 10.5
39 to 46
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.6 to 1.0