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AWS ERNiCrMo-2 Weld Metal

AWS ERNiCrMo-2 is a nickel-based filler metal for welding. Cited properties are appropriate for the as-welded condition. It has a fairly low embodied energy and a moderately low base cost among nickel-based welding fillers.

The graph bars on the material properties cards below compare AWS ERNiCrMo-2 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

210 GPa 30 x 10⁶ psi

Poisson's Ratio

0.28

Shear Modulus

81 GPa 12 x 10⁶ psi

Tensile Strength: Ultimate (UTS)

750 MPa 110 x 10³ psi

Thermal Properties

Latent Heat of Fusion

320 J/g

Melting Completion (Liquidus)

1460 °C 2660 °F

Melting Onset (Solidus)

1410 °C 2570 °F

Specific Heat Capacity

450 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

11 W/m-K 6.4 BTU/h-ft-°F

Thermal Expansion

13 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

1.5 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.6 % IACS

Otherwise Unclassified Properties

Base Metal Price

55 % relative

Density

8.4 g/cm³ 530 lb/ft³

Embodied Carbon

9.2 kg CO₂/kg material

Embodied Energy

120 MJ/kg 54 x 10³ BTU/lb

Embodied Water

270 L/kg 32 gal/lb

Common Calculations

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

25 points

Strength to Weight: Bending

22 points

Thermal Diffusivity

2.9 mm²/s

Thermal Shock Resistance

20 points

Alloy Composition

Nickel (Ni)Ni		40.3 to 53.8
Chromium (Cr)Cr		20.5 to 23
Iron (Fe)Fe		17 to 20
Molybdenum (Mo)Mo		8.0 to 10
Cobalt (Co)Co		0.5 to 2.5
Tungsten (W)W		0.2 to 1.0
Manganese (Mn)Mn		0 to 1.0
Silicon (Si)Si		0 to 1.0
Copper (Cu)Cu		0 to 0.5
Carbon (C)C		0.050 to 0.15
Phosphorus (P)P		0 to 0.040
Sulfur (S)S		0 to 0.030
Residualsres.		0 to 0.5