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AWS ERNiCrMo-4 vs. Nickel 689

Both AWS ERNiCrMo-4 and nickel 689 are nickel alloys. They have 84% of their average alloy composition in common. There are 20 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 AWS ERNiCrMo-4 and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
210
Elongation at Break, % 28
23
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 84
80
Tensile Strength: Ultimate (UTS), MPa 790
1250

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Melting Completion (Liquidus), °C 1590
1440
Melting Onset (Solidus), °C 1530
1390
Specific Heat Capacity, J/kg-K 410
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
70
Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 13
11
Embodied Energy, MJ/kg 170
150
Embodied Water, L/kg 280
330

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24
41
Strength to Weight: Bending, points 21
30
Thermal Shock Resistance, points 22
35

Alloy Composition


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Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.020
0.1 to 0.2
Chromium (Cr), % 14.5 to 16.5
18 to 20
Cobalt (Co), % 0 to 2.5
9.0 to 11
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 4.0 to 7.0
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 15 to 17
9.0 to 10.5
Nickel (Ni), % 50 to 63.5
48.3 to 60.9
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.080
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Residuals, % 0 to 0.5
0