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AWS ENi-1 (W82141) Weld Metal

AWS ENi-1 is a nickel-based filler metal for welding. Cited properties are appropriate for the as-welded condition. ENi-1 is the AWS designation for this material. W82141 is the UNS number.

It has a fairly low ductility among nickel-based welding fillers. In addition, it has a very low tensile strength and a moderately low melting temperature.

The graph bars on the material properties cards below compare AWS ENi-1 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

180 GPa 26 x 106 psi

Elongation at Break

22 %

Poisson's Ratio

0.31

Shear Modulus

69 GPa 10 x 106 psi

Tensile Strength: Ultimate (UTS)

470 MPa 68 x 103 psi

Thermal Properties

Latent Heat of Fusion

310 J/g

Melting Completion (Liquidus)

1360 °C 2480 °F

Melting Onset (Solidus)

1310 °C 2400 °F

Specific Heat Capacity

450 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

73 W/m-K 42 BTU/h-ft-°F

Thermal Expansion

11 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

19 % IACS

Electrical Conductivity: Equal Weight (Specific)

19 % IACS

Otherwise Unclassified Properties

Base Metal Price

60 % relative

Density

8.7 g/cm3 540 lb/ft3

Embodied Carbon

11 kg CO2/kg material

Embodied Energy

150 MJ/kg 66 x 103 BTU/lb

Embodied Water

230 L/kg 28 gal/lb

Common Calculations

Stiffness to Weight: Axial

12 points

Stiffness to Weight: Bending

22 points

Strength to Weight: Axial

15 points

Strength to Weight: Bending

15 points

Thermal Diffusivity

19 mm2/s

Thermal Shock Resistance

17 points

Alloy Composition

Nickel (Ni) 92 to 99
Titanium (Ti) 1.0 to 4.0
Silicon (Si) 0 to 1.3
Aluminum (Al) 0 to 1.0
Manganese (Mn) 0 to 0.75
Iron (Fe) 0 to 0.75
Copper (Cu) 0 to 0.25
Carbon (C) 0 to 0.1
Phosphorus (P) 0 to 0.030
Sulfur (S) 0 to 0.020
Residuals 0 to 0.5

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Similar Alloys

Further Reading

AWS A5.11: Specification for Nickel and Nickel Alloy Welding Electrodes for Shielded Metal Arc Welding