E 7018

Name: E 7018
Brand: SHREE KAILAJI ALLOYS PVT. LTD.
Price: 200.0 INR
Availability: InStock

Price 200.0 INR/ Piece

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MOQ : 10 Kilograms

E 7018 Specification

Material
MILD STEEL

Usage
MS ELECTRODE

Diameter
2.5mm, 3.15mm, 4.0mm, 5.0mm

Length
350mm, 400mm

Opening Pattern
AC/DC

Voltage
70-90V

Welding Current
70-260A dependent on size

Color
GREY

Working Temperature
Room Temperature to 150C

Storage Instructions
Store in a dry place, re-dry at 300C for 1 hour if required

Typical Applications
Structural steel fabrication, shipbuilding, pressure vessels, bridges

Impact Value
27J at -30C

Tensile Strength
490 MPa

Yield Strength
400 MPa

Deposition Efficiency
85-90%

Slag Removal
Easy

Elongation
22%

E 7018 Trade Information

Minimum Order Quantity
10 Kilograms

Delivery Time
3 Days

Packaging Details
BOX

Main Domestic Market
All India

About E 7018

E7018 is a common, heavy-coated, low-hydrogen welding electrode used for high-quality, strong welds on mild and low-alloy steels in all positions, offering excellent mechanical properties like ductility and crack resistance for critical applications like pressure vessels, bridges, and heavy structures. The '70' means 70,000 psi tensile strength, '1' means all-position use, and '8' signifies its low-hydrogen, iron powder coating, compatible with AC or DC power.

Key Characteristics:

Low-Hydrogen: Prevents hydrogen-induced cracking, crucial for high-strength applications.
All-Position Capability: Can be used for flat, horizontal, vertical, and overhead welding.

High Deposition Rate: Iron powder in the coating increases metal deposition.

Excellent Weld Quality: Produces strong, ductile, radiographic-quality welds resistant to impact.

Typical Applications:

Structural fabrication (bridges, buildings)
Pressure vessels and boilers
Pipelines and penstocks
Heavy machinery (earth-moving equipment)
Shipbuilding, coaches, and wagons

Usage Notes:

Storage: Must be kept dry to prevent moisture absorption.
Technique: Use a drag technique with a short arc; no whipping needed.
Power: Works with AC or DC power sources, though often requires a high OCV (Open Circuit Voltage) for AC.

Versatile Application Across Industries

E 7018 is extensively employed in sectors such as structural steel fabrication, bridge building, shipbuilding, and pressure vessel manufacturing. Its robust mechanical properties and reliable performance make it ideal for demanding industrial environments, ensuring weld integrity and strength in critical structures.

Optimized for Performance and Usability

This electrode boasts a high deposition efficiency of 85-90% and is praised for easy slag removal, thereby enhancing workflow and productivity. Available in a range of sizes, it accommodates various project requirements and supports both AC and DC welding currents for added flexibility.

FAQ's of E 7018:

Q: How should E 7018 electrodes be stored to maintain their effectiveness?

A: Store E 7018 electrodes in a dry location. If the electrodes absorb moisture, re-dry them at 300C for one hour prior to use to prevent weld defects and ensure consistent performance.

Q: What are the typical applications of E 7018 electrodes?

A: E 7018 electrodes are widely used in structural steel fabrication, shipbuilding, pressure vessels, and bridge construction due to their excellent strength, ductility, and toughness under low-temperature conditions.

Q: When is it necessary to re-dry the electrodes before welding?

A: You should re-dry the electrodes at 300C for one hour if they have been exposed to moisture, as this prevents hydrogen-induced cracking and maintains weld quality.

Q: Where can E 7018 electrodes be used in terms of power source?

A: E 7018 electrodes are suitable for both AC and DC power sources, offering flexibility for various welding setups and site conditions.

Q: What are the benefits of using E 7018 for mild steel welding?

A: Using E 7018 provides high tensile and yield strength, excellent impact toughness at low temperatures, easy slag removal, and a high deposition efficiency, contributing to reliable and efficient welding operations.