AWS E110C-K4 or E76C-K4 Weld Metal
AWS E110C-K4 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 electrical conductivity and a fairly high tensile strength.
The graph bars on the material properties cards below compare AWS E110C-K4 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)
850 MPa 120 x 103 psi
Tensile Strength: Yield (Proof)
780 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
41 W/m-K 24 BTU/h-ft-°F
Thermal Expansion
13 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
8.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
9.2 % IACS
Otherwise Unclassified Properties
Base Metal Price
3.5 % relative
Density
7.8 g/cm3 490 lb/ft3
Embodied Carbon
1.7 kg CO2/kg material
Embodied Energy
23 MJ/kg 9.9 x 103 BTU/lb
Embodied Water
54 L/kg 6.4 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
140 MJ/m3
Resilience: Unit (Modulus of Resilience)
1600 kJ/m3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
30 points
Strength to Weight: Bending
25 points
Thermal Diffusivity
11 mm2/s
Thermal Shock Resistance
25 points
Alloy Composition
Fe | 92.1 to 98.4 | |
Ni | 0.5 to 2.5 | |
Mn | 0.75 to 2.3 | |
Mo | 0.25 to 0.65 | |
Si | 0 to 0.8 | |
Cr | 0.15 to 0.65 | |
Cu | 0 to 0.35 | |
C | 0 to 0.15 | |
V | 0 to 0.030 | |
P | 0 to 0.025 | |
S | 0 to 0.025 | |
res. | 0 to 0.5 |
All values are % weight. Ranges represent what is permitted under applicable standards.
Followup Questions
Similar Alloys
Further Reading
AWS A5.28: Specification for Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding
Welding Metallurgy, 2nd ed., Sindo Kou, 2003