AWS ERNiMo-3 Weld Metal
AWS ERNiMo-3 is a nickel-based filler metal for welding. Cited properties are appropriate for the as-welded condition. It has the highest melting temperature and a fairly high embodied energy among nickel-based welding fillers.
The graph bars on the material properties cards below compare AWS ERNiMo-3 to: nickel-based welding fillers (top), all nickel alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Mechanical Properties
Elastic (Young's, Tensile) Modulus
220 GPa 32 x 106 psi
Poisson's Ratio
0.3
Shear Modulus
83 GPa 12 x 106 psi
Tensile Strength: Ultimate (UTS)
770 MPa 110 x 103 psi
Thermal Properties
Latent Heat of Fusion
320 J/g
Melting Completion (Liquidus)
1600 °C 2900 °F
Melting Onset (Solidus)
1540 °C 2800 °F
Specific Heat Capacity
400 J/kg-K 0.1 BTU/lb-°F
Thermal Expansion
11 µm/m-K
Otherwise Unclassified Properties
Base Metal Price
70 % relative
Density
9.1 g/cm3 570 lb/ft3
Embodied Carbon
15 kg CO2/kg material
Embodied Energy
190 MJ/kg 82 x 103 BTU/lb
Embodied Water
270 L/kg 32 gal/lb
Common Calculations
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
22 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
21 points
Thermal Shock Resistance
24 points
Alloy Composition
| Ni | 53.7 to 69 | |
| Mo | 23 to 26 | |
| Fe | 4.0 to 7.0 | |
| Cr | 4.0 to 6.0 | |
| Co | 0 to 2.5 | |
| Mn | 0 to 1.0 | |
| Si | 0 to 1.0 | |
| W | 0 to 1.0 | |
| V | 0 to 0.6 | |
| Cu | 0 to 0.5 | |
| C | 0 to 0.12 | |
| P | 0 to 0.040 | |
| S | 0 to 0.030 | |
| res. | 0 to 0.5 |
All values are % weight. Ranges represent what is permitted under applicable standards.
Followup Questions
Similar Alloys
Further Reading
AWS A5.14: Specification for Nickel and Nickel-Alloy Bare Welding Electrodes and Rods