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AWS ERNi-1 vs. Nickel 690

Both AWS ERNi-1 and nickel 690 are nickel alloys. They have 63% 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 690.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Elongation at Break, % 22
3.4 to 34
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 69
79
Tensile Strength: Ultimate (UTS), MPa 470
640 to 990

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Melting Completion (Liquidus), °C 1360
1380
Melting Onset (Solidus), °C 1310
1340
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 73
14
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 19
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 60
50
Density, g/cm3 8.7
8.3
Embodied Carbon, kg CO2/kg material 11
8.2
Embodied Energy, MJ/kg 150
120
Embodied Water, L/kg 230
290

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 15
21 to 33
Strength to Weight: Bending, points 15
20 to 27
Thermal Diffusivity, mm2/s 19
3.5
Thermal Shock Resistance, points 17
16 to 25

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 0
27 to 31
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 0 to 1.0
7.0 to 11
Manganese (Mn), % 0 to 1.0
0 to 0.5
Nickel (Ni), % 93 to 98
58 to 66
Phosphorus (P), % 0 to 0.030
0
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
Residuals, % 0 to 0.5
0