Send Inquiry

Request To Call Back

E7018A-1 ELECTRODE

Name: E7018A-1 ELECTRODE
Brand: SHREE KAILAJI ALLOYS PVT. LTD.
Price: 200.0 INR
Availability: InStock

Price 200.0 INR/ Piece

Get a Price/Quote

MOQ : 10 Pieces

E7018A-1 ELECTRODE Specification

Usage
WELDING

Material
MILD STEEL

Diameter
2.5 mm, 3.15 mm, 4.00 mm, 5.00 mm

Length
350 mm, 400 mm

Opening Pattern
Straight/Parallel

Voltage
Open Circuit Voltage 70V

Welding Current
AC/DC, 90-150A (depending on diameter)

Color
GREY

Working Temperature
Above 0C (ambient)

Yield Strength
470 MPa

Welding Position
All position (flat, horizontal, vertical, overhead)

Elongation
22%

Tensile Strength
560 MPa

Diffusible Hydrogen Content
5 ml/100g

Coating Type
Iron Powder, Low Hydrogen

Application
Structural welding, shipbuilding, pressure vessels, bridges

Storage Instructions
Store in dry, heated conditions

Impact Value
47J at -30C

E7018A-1 ELECTRODE Trade Information

Minimum Order Quantity
10 Pieces

Delivery Time
3 Days

Packaging Details
BOX

Main Domestic Market
All India

About E7018A-1 ELECTRODE

The E7018-1 is a low-hydrogen, iron powder, basic-coated electrode for welding carbon and low-alloy steels, known for producing tough, ductile, X-ray quality welds with high mechanical strength, even at sub-zero temperatures (down to -50C or lower), suitable for all positions (flat, horizontal, vertical, overhead) on AC or DC+ current, and offering excellent arc stability, low spatter, and easy slag removal for demanding applications like heavy structures, pressure vessels, and offshore rigs. The "-1" denotes improved performance over standard E7018, with better arc characteristics and very low moisture pickup, often meeting H4R standards for hydrogen control, notes this LinkedIn post.

Key Characteristics:

Type: Low-Hydrogen, Iron Powder Electrode.
Strength: Minimum 70,000 psi tensile strength, producing high-strength welds.
Toughness: Excellent low-temperature impact strength (e.g., down to -50C or -60C).
Weldability: All-position (flat, horizontal, vertical, overhead) with good out-of-position performance, notes this Pinnacle Alloys data sheet.
Current: Operates on AC or DC+ (Direct Current Electrode Positive).
Deposit Quality: Radiographic quality, low hydrogen content (HD < 3 ml/100g), and crack-resistant.
Performance: Better arc stability, less spatter, and easier slag removal than E7018, says this tensileweld.com article.

Typical Applications:

Welding of medium to high-strength carbon steels, low-alloy structural steels, and steels sensitive to hydrogen cracking.
Heavy and rigid structures, pressure vessels, offshore rigs, and power plants.
Applications requiring high ductility and toughness, even in cold environments.

AWS Classification Breakdown:

E: Electrode.
70: Minimum 70,000 psi tensile strength.
1: All-position welding capability.
8: Low-hydrogen, basic-coated (iron powder).
-1: Improved formulation for better arc performance and moisture control (H4R).

High Mechanical Performance

E7018A-1 electrodes are engineered to deliver exceptional strength and toughness, with 560 MPa tensile strength and 22% elongation. This ensures durable and reliable welds, even in demanding applications such as pressure vessels and shipbuilding.

All-Position Welding Convenience

Designed for use in flat, horizontal, vertical, and overhead positions, these electrodes offer unmatched flexibility for welders. Their low hydrogen content also helps reduce the risk of weld defects and cracking in structural work.

Safe Storage and Handling

To preserve their low hydrogen characteristics, E7018A-1 electrodes must be stored in dry, heated environments above 0C. Proper handling guarantees optimal performance and prevents moisture absorption, which is critical for high-quality welds.

FAQ's of E7018A-1 ELECTRODE:

Q: How should E7018A-1 electrodes be stored to maintain their low hydrogen properties?

A: E7018A-1 electrodes must be kept in dry, heated conditions above 0C to prevent moisture pickup. Storing them properly ensures their low hydrogen content is maintained, helping to avoid weld porosity and cracking.

Q: What welding positions are suitable for using the E7018A-1 electrode?

A: These electrodes are engineered for all welding positions-including flat, horizontal, vertical, and overhead-offering versatility for a variety of fabrication needs.

Q: When is E7018A-1 recommended over other electrodes?

A: E7018A-1 is ideal for critical structural jobs, such as shipbuilding, pressure vessels, and bridge construction, due to its high strength, low diffusible hydrogen, and excellent impact resistance at low temperatures.

Q: Where can E7018A-1 electrodes be applied?

A: They are commonly used in structural welding, shipbuilding, bridge construction, and the manufacturing of pressure vessels, where reliable and strong welds are essential.

Q: What is the typical usage process for E7018A-1 electrodes?

A: Select the appropriate electrode diameter (2.5-5.0 mm) and ensure the open circuit voltage is at least 70V. Use either AC or DC current (90-150A, depending on diameter), and maintain a straight or parallel welding pattern for optimal results.

Q: What are the benefits of using an iron powder, low hydrogen coating on this electrode?

A: The iron powder, low hydrogen coating ensures stable arc behavior, higher deposition rates, and reduces the risk of weld defects from hydrogen-induced cracking, making it suitable for high-integrity structures.

Tell us about your requirement