DESCRIPTION
E7018 is a low-hydrogen, iron powder, basic-coated electrode suitable for welding mild steel and low alloy steel with high crack resistance and superior ductility. Designed for all-position welding (except vertical down), it provides excellent mechanical properties and weld quality, with little spatter and easy slag removal. It is particularly valued in structural, pressure vessel, bridge, shipbuilding, and thick-section fabrication.
PRODUCT SPECIFICATION
Type / Code : E7018 / AWS A5.1 / IS 814 / SFA 5.1
Material: Mild Steel (Low Hydrogen)
Coating Type: Iron powder, basic, low hydrogen
Recommended Polarity: AC or DC+ (Electrode Positive)
Welding Position: All positions (except vertical down)
Current Range (A): 60–100 (typical) [flat: 80–110]
Tensile Strength: ≥490 MPa (70,000 psi minimum, 570 MPa)
Yield Strength: ≥400 MPa (480–500 MPa)
Elongation: ≥22%
Impact Toughness: ≥27J at -30°C (Charpy V, typical 127J at -30°C)
Weld Metal Chemistry: C ≤ 0.15%; Mn ≤ 1.60%; Si ≤ 0.75%; S ≤ 0.035%; P ≤ 0.035%
Applications: Bridges, shipbuilding, pressure vessels, tanks, structural steel, repair & maintenance
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