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AWS E110C-K3 or E76C-K3 Weld Metal

AWS E110C-K3 is a weld metal formulated for joining alloy steels. Cited properties are appropriate for the as-welded condition. It has a fairly low ductility among alloy steel welding fillers. In addition, it has a fairly high tensile strength and a moderately high electrical conductivity.

The graph bars on the material properties cards below compare AWS E110C-K3 to: alloy steel welding fillers (top), all iron 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

190 GPa 27 x 10⁶ psi

Elongation at Break

17 %

Poisson's Ratio

0.29

Shear Modulus

73 GPa 11 x 10⁶ psi

Tensile Strength: Ultimate (UTS)

870 MPa 130 x 10³ psi

Tensile Strength: Yield (Proof)

760 MPa 110 x 10³ psi

Thermal Properties

Latent Heat of Fusion

250 J/g

Melting Completion (Liquidus)

1460 °C 2650 °F

Melting Onset (Solidus)

1410 °C 2580 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

48 W/m-K 28 BTU/h-ft-°F

Thermal Expansion

13 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

7.9 % IACS

Electrical Conductivity: Equal Weight (Specific)

9.0 % IACS

Otherwise Unclassified Properties

Base Metal Price

3.4 % relative

Density

7.8 g/cm³ 490 lb/ft³

Embodied Carbon

1.7 kg CO₂/kg material

Embodied Energy

23 MJ/kg 9.8 x 10³ BTU/lb

Embodied Water

53 L/kg 6.3 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

140 MJ/m³

Resilience: Unit (Modulus of Resilience)

1550 kJ/m³

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

31 points

Strength to Weight: Bending

26 points

Thermal Diffusivity

13 mm²/s

Thermal Shock Resistance

26 points

Alloy Composition

Iron (Fe)Fe		92.6 to 98.5
Nickel (Ni)Ni		0.5 to 2.5
Manganese (Mn)Mn		0.75 to 2.3
Molybdenum (Mo)Mo		0.25 to 0.65
Silicon (Si)Si		0 to 0.8
Copper (Cu)Cu		0 to 0.35
Carbon (C)C		0 to 0.15
Chromium (Cr)Cr		0 to 0.15
Vanadium (V)V		0 to 0.030
Phosphorus (P)P		0 to 0.025
Sulfur (S)S		0 to 0.025
Residualsres.		0 to 0.5