Electrode Angle E7024

 

I. Core Selling Points: Why Choose the E7024 Electrode?

1. High-Strength Deposited Metal for Reliable Load-Bearing

Deposited metal tensile strength ≥ 70 ksi (approximately 480 MPa), far exceeding the welding requirements of ordinary low-carbon steel

Welded joints exhibit strong crack resistance and can withstand long-term load-bearing of structural components at room temperature, making them suitable for load-bearing scenarios such as factory brackets and machine tool bases

2. High Efficiency & Low Spatter, Saving Labor and Materials

Stable coating combustion and concentrated arc (no drift), reducing spatter by over 30% compared to ordinary electrodes

Fast deposition rate shortens welding time by 20% for the same task, lowering labor costs

Smooth weld bead formation minimizes subsequent grinding processes, saving consumables and working hours

3. Low Operation Threshold, Suitable for Multiple Scenarios

Strong adaptability to welding current (see parameter table for details), allowing beginners to master it quickly

Supports flat butt welding and T-joint fillet welding, eliminating the need for frequent electrode replacement

No complex preheating required for room-temperature operation, simplifying on-site workflows

II. Core Parameters: Accurate Selection to Avoid Mistakes

Parameter Category	Specification Details	Notes
Model	E7024	Complies with AWS A5.1 Standard
Deposited Metal Strength	Tensile strength ≥ 480 MPa, Yield strength ≥ 400 MPa	Meets mechanical requirements of low-carbon/low-alloy structural steel
Coating Type	Rutile/Titania-calcium (adjusted by specification)	Stable arc and good formability
Electrode Diameter	2.5mm, 3.2mm, 4.0mm, 5.0mm	Select as needed; covers welding of 2-20mm plates
Applicable Current	60-100A (2.5mm), 80-140A (3.2mm), 120-180A (4.0mm), 160-220A (5.0mm)	AC/DC dual-use; DC reverse polarity recommended
Applicable Base Metal	Low-carbon steel/low-alloy structural steel such as Q235, A3, Q345, 16Mn	Not for stainless steel or high-strength quenched-tempered steel
Welding Position	Priority for flat welding and fillet welding	Not recommended for vertical or overhead welding
Packaging Specification	2.5kg/box, 20kg/carton (moisture-proof carton)	Sealed packaging; 12-month shelf life (unopened)

III. Application Scenarios: Find Your Custom Welding Solution

1. Industrial Steel Structure Welding

Application Scenarios: Factory support angles, beam splicing, steel structure platform butt joints

Recommended Specifications: 3.2mm (thin-plate splicing), 4.0mm (medium-thick plate connection)

Core Advantages: Uniform weld fusion, strong deformation resistance, meeting long-term load-bearing requirements of steel structures

2. Machinery Manufacturing & Component Processing

Application Scenarios: Machine tool base splicing, agricultural machinery frame welding, general mechanical housing assembly

Recommended Specifications: 2.5mm (thin-walled parts), 3.2mm (conventional components)

Core Advantages: Low spatter + smooth weld beads, reducing subsequent processing of components and improving production efficiency

3. Low-Pressure Vessel & Storage Tank Fabrication

Application Scenarios: Atmospheric water storage tanks, small fuel tank shell butt joints, ventilation duct splicing

Recommended Specifications: 3.2mm (shell circumferential seams), 4.0mm (head connection)

Core Advantages: Good weld airtightness, reducing porosity defects and avoiding container leakage risks

4. Maintenance, Renovation & Emergency Welding

Application Scenarios: Equipment component repair, steel structure damage patching, temporary bracket welding

Recommended Specifications: 3.2mm (general maintenance), 4.0mm (thick-part patching)

Core Advantages: Flexible operation, low requirements for working environment, enabling quick completion of maintenance at room temperature

IV. Operation Guide: Master Welding Skills Easily

1. Angle Control: Adapt to Different Joint Types

Welding Joint Type	Electrode Angle Requirements	Application Examples
Flat Butt Welding	Perpendicular to the base metal surface; 70°-80° with the welding direction	Storage tank shell butt joints, plate splicing
T-Joint Fillet Welding	Tilt 10°-15° toward the thicker plate; 70°-80° with the welding direction	Connection between machine frame support legs and beams

2. Oscillation Methods: Choose Based on Plate Thickness

Thin-plate Welding (≤6mm) / Root Pass: Adopt straight-line oscillation to avoid excessively wide weld beads or burn-through.

Thick-plate Welding (>6mm) / Filler Pass: Adopt small crescent oscillation. The oscillation amplitude must not exceed 2 times the electrode diameter (e.g., maximum oscillation width ≤8mm for 4mm electrodes) to ensure full fusion on both sides of the weld bead.

3. Operation Tips

Before welding, remove oil and rust from the base metal surface to avoid porosity.

DC reverse polarity is recommended for more stable arcs (AC welders can also be used, but the current should be increased by 5-10A).

In humid environments (relative humidity >80%), bake the electrodes at 150-200°C for 30 minutes before use.

V. Quality Assurance: Confidence in Your Purchase

Strict Production Standards: 12 quality inspection procedures from raw material procurement to finished product delivery ensure stable performance of each electrode.

Authoritative Certifications: Certified by SGS and ISO 9001 Quality Management System; coating composition and deposited metal properties comply with international standards.

Professional Technical Support: Free welding technical consultation is provided; customized welding solutions are available for special scenarios.

After-Sales Guarantee: Unopened products with quality issues can be returned or exchanged within 7 days; technical problems during use will be responded to within 24 hours.

VI. Purchase Notes

Selection Advice: Unsure about specifications? Provide the base metal thickness and joint type, and we will recommend the suitable specification for you.

Bulk Discounts: Enjoy wholesale prices for single purchases of 10 cartons or more; customized packaging is available.

Logistics Guarantee: Default to SF Express/Deppon Logistics; delivery to most regions nationwide takes 3-5 days. Moisture-proof packaging prevents transportation damage.

Storage Tip: After opening, store in a sealed container in a dry, well-ventilated area to avoid coating moisture absorption that affects welding quality.

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