AWS ERNiCrMo-4 Weld Metal
AWS ERNiCrMo-4 is a nickel-based filler metal for welding. Cited properties are appropriate for the as-welded condition. It has a fairly high melting temperature among nickel-based welding fillers. In addition, it has a moderately high tensile strength and a moderately high embodied energy.
The graph bars on the material properties cards below compare AWS ERNiCrMo-4 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 31 x 106 psi
Elongation at Break
28 %
Poisson's Ratio
0.29
Shear Modulus
84 GPa 12 x 106 psi
Tensile Strength: Ultimate (UTS)
790 MPa 110 x 103 psi
Thermal Properties
Latent Heat of Fusion
310 J/g
Melting Completion (Liquidus)
1590 °C 2890 °F
Melting Onset (Solidus)
1530 °C 2790 °F
Specific Heat Capacity
410 J/kg-K 0.1 BTU/lb-°F
Thermal Expansion
12 µm/m-K
Otherwise Unclassified Properties
Base Metal Price
70 % relative
Density
9.0 g/cm3 560 lb/ft3
Embodied Carbon
13 kg CO2/kg material
Embodied Energy
170 MJ/kg 74 x 103 BTU/lb
Embodied Water
280 L/kg 34 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
22 points
Alloy Composition
| Ni | 50 to 63.5 | |
| Mo | 15 to 17 | |
| Cr | 14.5 to 16.5 | |
| Fe | 4.0 to 7.0 | |
| W | 3.0 to 4.5 | |
| Co | 0 to 2.5 | |
| Mn | 0 to 1.0 | |
| Cu | 0 to 0.5 | |
| V | 0 to 0.35 | |
| Si | 0 to 0.080 | |
| P | 0 to 0.040 | |
| S | 0 to 0.030 | |
| C | 0 to 0.020 | |
| 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