E6011 corresponds to the US AWS A5.1 standard, and in China it is often manufactured according to GB/T 5117 E4311, equivalent to ISO 2560-B-E4311.
"E" indicates the welding electrode, "60" indicates the minimum tensile strength of the weld metal is 60 ksi (approximately 430 MPa), "1" indicates it is suitable for all-position welding (flat, horizontal, vertical, and overhead), and the last "1" indicates it can be used with both AC and DC positive polarity (DCEP).
Main features
- Current type: AC/DC dual-use, especially suitable for use on AC welding machines.
- Welding position: All-position welding, including challenging positions such as vertical down and overhead welding.
- Penetration: Possesses strong arc force and deep penetration capability, capable of welding steel with rust, oil, or light coatings.
- Slag: Produces thin and brittle slag that is easily removed.
- Arc characteristics: Relatively gentle arc with less spatter, making it easier to control than the E6010.
Typical Applications
- Field welding of steel structures, building beams and columns, and pipelines (especially oil, gas, and water pipes).
- Manufacturing and repair of structural components for shipbuilding, bridges, boilers, storage tanks, and railway vehicles.
- Welding of automobiles, agricultural machinery, and galvanized steel.
Example Technical Parameters
- Mechanical Properties: Tensile strength ≥430MPa, Yield strength ≥330MPa, Elongation ≥20%.
- Chemical Composition (Deposited Metal): C≤0.2%, Mn 0.3–0.6%, Si≤1.0%, S, P ≤0.035% and 0.040% respectively.
- Common Diameter: 1/8″ (approx. 3.2mm) corresponds to a current range of approximately 90–140A.
Precautions for Use
- Welding electrodes are hygroscopic and must be stored in a dry place. If they become damp, dry them at 70–80℃ for 0.5–1 hour.
- Not recommended for welding thin plates (easily burn-through) or stainless steel and non-ferrous metals.
- Use DCEP (positive polarity) on a DC power supply; do not use DCEN (reverse polarity).
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