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Nickel 825 vs. AWS ERNi-1

Both nickel 825 and AWS ERNi-1 are nickel alloys. They have 44% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is nickel 825 and the bottom bar is AWS ERNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
180
Elongation at Break, % 34
22
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
69
Tensile Strength: Ultimate (UTS), MPa 650
470

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Melting Completion (Liquidus), °C 1400
1360
Melting Onset (Solidus), °C 1370
1310
Specific Heat Capacity, J/kg-K 460
450
Thermal Conductivity, W/m-K 11
73
Thermal Expansion, µm/m-K 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
19
Electrical Conductivity: Equal Weight (Specific), % IACS 1.7
19

Otherwise Unclassified Properties

Base Metal Price, % relative 41
60
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 7.2
11
Embodied Energy, MJ/kg 100
150
Embodied Water, L/kg 230
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 22
15
Strength to Weight: Bending, points 20
15
Thermal Diffusivity, mm2/s 2.9
19
Thermal Shock Resistance, points 17
17

Alloy Composition

Aluminum (Al), % 0 to 0.2
0 to 1.5
Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 19.5 to 23.5
0
Copper (Cu), % 1.5 to 3.0
0 to 0.25
Iron (Fe), % 22 to 37.9
0 to 1.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 38 to 46
93 to 98
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.6 to 1.2
2.0 to 3.5
Residuals, % 0
0 to 0.5