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Nickel 908 vs. AWS ENiCu-7

Both nickel 908 and AWS ENiCu-7 are nickel alloys. They have 52% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 908 and the bottom bar is AWS ENiCu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
160
Elongation at Break, % 11
34
Poisson's Ratio 0.3
0.32
Shear Modulus, GPa 70
62
Tensile Strength: Ultimate (UTS), MPa 1340
550

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1430
1270
Melting Onset (Solidus), °C 1380
1230
Specific Heat Capacity, J/kg-K 460
430
Thermal Conductivity, W/m-K 11
21
Thermal Expansion, µm/m-K 8.6
13

Otherwise Unclassified Properties

Base Metal Price, % relative 50
50
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 9.3
8.0
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 170
250

Common Calculations

Stiffness to Weight: Axial, points 12
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 45
17
Strength to Weight: Bending, points 33
17
Thermal Diffusivity, mm2/s 2.9
5.5
Thermal Shock Resistance, points 61
18

Alloy Composition

Aluminum (Al), % 0.75 to 1.3
0 to 0.75
Boron (B), % 0 to 0.012
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 3.8 to 4.5
0
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
20.6 to 38
Iron (Fe), % 35.6 to 44.6
0 to 2.5
Manganese (Mn), % 0 to 1.0
0 to 4.0
Nickel (Ni), % 47 to 51
62 to 69
Niobium (Nb), % 2.7 to 3.3
0
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 1.5
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 1.2 to 1.8
0 to 1.0
Residuals, % 0
0 to 0.5