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AWS ERNi-1 vs. Nickel 625

Both AWS ERNi-1 and nickel 625 are nickel alloys. They have 65% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS ERNi-1 and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 22
33 to 34
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 69
79
Tensile Strength: Ultimate (UTS), MPa 470
790 to 910

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Melting Completion (Liquidus), °C 1360
1350
Melting Onset (Solidus), °C 1310
1290
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 73
11
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 19
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
80
Density, g/cm3 8.7
8.6
Embodied Carbon, kg CO2/kg material 11
14
Embodied Energy, MJ/kg 150
190
Embodied Water, L/kg 230
290

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 15
26 to 29
Strength to Weight: Bending, points 15
22 to 24
Thermal Diffusivity, mm2/s 19
2.9
Thermal Shock Resistance, points 17
22 to 25

Alloy Composition

Aluminum (Al), % 0 to 1.5
0 to 0.4
Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 1.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 1.0
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 93 to 98
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 2.0 to 3.5
0 to 0.4
Residuals, % 0 to 0.5
0