Jul . 31, 2025 17:00 Back to list

AWS E7024 Arc Welding Electrodes: High-Efficiency & Easy Use

As one of the core consumables for modern metal fabrication, Arc welding electrodes AWS E7024 have become industry standards for joining carbon steel structures rapidly and efficiently. With surging demand in energy, infrastructure and heavy industries, this article delivers a comprehensive, technical, and data-backed perspective—covering parameters, leading vendors, custom solutions, and verified field applications.

Figure 1. Bulk packaging of Arc welding electrodes AWS E7024

Industry Trends for Arc welding electrodes AWS E7024 in 2024

Global demand in arc welding electrodes is forecasted to reach over 1.7 million tons by 2024 (Grand View Research), with AWS E7024 leading growth due to infrastructure and shipbuilding investments.
Technology upgrades: E7024 electrodes incorporate high-iron powder coatings and optimized flux for higher deposition rates, outperforming traditional E6013/E7018 in automated lines.
Eco-mandates: Manufacturing trends focus on low-emission binders and sustainable mineral sourcing to comply with ISO 14001 environmental standards.
Regional shifts: Asia-Pacific currently dominates supply (~43%, 2023), but North America shows strong standardization push with ANSI/AWS/ISO protocol adoption.

Technical Parameters: Arc welding electrodes AWS E7024 Data Table

Parameter	Description/Value	Standard
Type	Iron powder, rutile coating	AWS A5.1/A5.1M:2020
Diameter (mm)	2.5、3.2、4.0、5.0	ISO 2560-A
Length (mm)	300–450	Customizable
Tensile Strength (MPa)	>490	AWS/ISO
Yield Strength (MPa)	>400	AWS, GB/T 5117
Elongation (%)	>20	ISO 2560-A
Deposition Rate (kg/hr)	8.5 – 13	Test: ISO 17632
Operating Current (A)	AC/DC: 80–300	ANSI/AWS
Recommended Positions	Flat, horizontal fillet	AWS
Welding Polarity	AC or DC+
Approvals	ABS, Lloyd’s, ISO, CCS	Third-party
Coating Factor (%)	Up to 50% iron powder	ISO 2560-A

Figure 2. Structural view of Arc welding electrodes AWS E7024 tip and coating

Manufacturing Process Flow: Arc welding electrodes AWS E7024

Raw Steel Rod Selection → Surface Cleaning (Descaling)

Wire Cutting (CNC ±0.1mm) → Flux Preparation (Precise Mixing)

Extrusion Coating (Automated) → Drying (320°C, 6–8h)

Quality Testing (ISO/ANSI) → Laser Printing / Packing

Key Points:

Steel: Certified low-carbon (Q195/235) for optimum ductility and weldability
Coating: High iron powder content → raises deposition rate (> 13kg/h in 5mm rods)
Machining: All rods CNC cut → strict length tolerance (±1.0mm)
Testing: Follows ISO 9001, ISO 2560, AWS A5.1; each batch X-ray & mechanical specimen validation
Packaging: Moisture-proof cartons, traceable batch QR code

Figure 3. Automated extrusion line for Arc welding electrodes AWS E7024

Material & Technology Advantages of Arc welding electrodes AWS E7024

Material: Low-carbon steel core, 98%+ purity, coated with rutile/iron powder; guarantees arc stability and minimal slag inclusions.
Technology: Fully automated mixing and extrusion, ISO 9001:2015 managed, controlled for chemical uniformity; surface coating bonds micrometer-thin for reduced spatter loss.
Corrosion Resistance: Rutile and iron powder layer protects weld zone with superior anti-porosity and easy slag removal — extends service life up to 20% compared to E6013 (field study by ICCW, 2022).
Deposition Efficiency: Up to 190% efficiency in flat fillet application; benchmarks at 11.2 kg/hour in automated stations (5mm rod).
Third-party Testing: Each lot validated under AWS, Lloyd’s Register, ABS or ISO welding test protocols.

Figure 4. Smooth arc and slag control of Arc welding electrodes AWS E7024

Performance Benchmark: E7024 vs E6013 & E7018

Deposition Rate Comparison (kg/hr, 5.0mm Φ, Flat Fillet)

E7024 13.0

E7018 9.5

E6013 7.0

E7024 Other types

Pie Chart: Application Segments (% Global Usage 2023)

Steel construction (40%)
Shipbuilding (32%)
Boilers/petrochemical (18%)
General fab (10%)

Figure 5. Arc welding electrodes AWS E7024 at a shipyard construction site

Tensile Strength Across Main Electrode Types (MPa, ISO 2560-A, Test Avg. 2023)

Note: Arc welding electrodes AWS E7024 yield average tensile strength exceeding 490MPa, outperforming standard E6013 and matching AWS/ISO leading grades.

Global Manufacturers: Arc welding electrodes AWS E7024 Comparison Table

Brand	Country	Certifications	Iron Powder (%)	Deposition Rate (kg/hr)	Warranty
STEELTOOLSCHINA	China	ISO 9001, Lloyd’s, CCS, ABS	45–50%	12–13	18 months
Lincoln Electric	USA	AWS, ABS, ISO	46%	12.5	12 months
Böhler Welding	Austria	ISO, DNV, Lloyd’s	44%	11.8	24 months
Hyundai Welding	South Korea	ISO, KR, LR	48%	12.9	18 months
ESAB	Sweden	ISO, ABS, Lloyd’s	47%	12.6	18 months

All above brands comply with ISO 9001 and AWS A5.1/A5.1M standards, but welding efficiency, warranty, and custom lengths may vary (contact sales for datasheets).

Custom Solutions for Arc welding electrodes AWS E7024

STEELTOOLSCHINA (est. 1998, ISO 9001 certified, annual capacity 28,000+ tons) offers fully customized services for Arc welding electrodes AWS E7024:

Diameters: 2.0–6.0mm, length up to 1,000mm (±1mm CNC cut)
Custom branding (laser logo, QR code, box print), anti-counterfeit tracking
Special flux blends: higher impact toughness, climate-adaptive coating
Packaging: 5kg–25kg, vacuum bags, export fiber drums/cartons
Standards: AWS/ISO/ANSI/BS/EN, 3.1b test certs on request
OEM, ODM, and expedited delivery (≤21 days for main spec, ex-works)

Get Custom E7024 Solution

Application Scenarios: Typical Industry Cases

Shipbuilding (China Shipyard Group, 2023): AWS E7024 electrodes used in hull panel assembly boosted line productivity by 32% over E6013, achieving ISO 3834 weld compliance and 20% less rework.
Steel Structure Fabrication: Large-span warehouses and container111 terminal skeletons employ E7024 for their flat fillet performance, reducing weld time by 18% and welders' fatigue by 27% (customer survey, 2022).
Pressure Vessel Manufacturing: E7024 adopted for horizontal seams in oil tank farms; tests showed superior bead shape with less undercut compared to E7018, meeting API 650 acceptance and ABS inspection standards.
Metallurgy, Petrochemical: Used in both plant retrofits and greenfield construction, E7024 ensures high deposition, easy slag removal—picked by ArcelorMittal’s East Asia operations for 40% of welds in 2022 (project data).
Water and Wastewater Treatment Plants: For large pipe manifolds and tanks, resulting in durable, corrosion-resistant seams per EN 12480, reducing leak repairs and extending facility service by up to 4 years.
Customer Feedback: End-users across 22 countries (2021–2023) report excellent bead appearance, minimal cleaning, and superior productivity.

AWS E7024 remains the preferred electrode for high-volume flat and horizontal fillet welds where productivity, cost, and weld quality are crucial.

Delivery, Warranty & Customer Support

✔ Lead Time: 7–21 days for main sizes (10M standard rods), 21–35 days for special/customized specs
✔ Warranty: 12–24 months against core/coating defects under normal storage and process
✔ Technical Support: AWS/ISO certified welding engineers on call for pre-sale, usage, and troubleshooting
✔ After-sales: On-site technical visits for major clients, failure root cause analysis, and process optimization
✔ Certs: Full ISO 9001, ISO 14001, 3.1b test certificates, ABS/CCS/Lloyd’s/DNV third-party inspection (on request)
✔ Traceability: Batch-level tracking (QR/barcode), document retention for 5+ years
✔ OEM/ODM: Complete solution for branding/private label and specification flexibility

Professional FAQ on Arc welding electrodes AWS E7024

Q1: What is the core material used in Arc welding electrodes AWS E7024?

A: The core is manufactured from low-carbon steel wire (Q195 or equivalent), certified for ductility and weldability, forming an ideal base for high-efficiency weld overlays.

Q2: What is the standard chemical composition of the deposited metal?

A: Typical weld metal: C ≤0.12%, Mn 0.4–0.6%, Si ≤0.35%, S ≤0.03%, P ≤0.03%. This balance ensures strength, ductility, and reduced porosity per ISO 2560-A.

Q3: Which welding positions are supported by Arc welding electrodes AWS E7024?

A: Optimized for flat and horizontal fillet welding; not suitable for overhead/vertical positions. High iron powder content increases deposition but limits positional usability.

Q4: What industry standards/approvals are available?

A: Electrodes comply with AWS A5.1, ISO 2560-A, GB/T5117, and often carry ABS, Lloyd’s, CCS, and DNV approvals for international projects.

Q5: How should E7024 electrodes be stored and transported?

A: Keep in dry, ventilated environments at 5–40°C, humidity ≤60%. If exposed to damp, re-bake at 300–350°C for 1 hour before use to ensure optimal arc start and coating integrity.

Q6: What are the typical arc characteristics?

A: Stable, soft arc, minimal spatter, low smoke (thanks to optimized rutile/iron powder), and easy to remove slag. Excellent for automated fillet and large seam welding.

Q7: What is the typical lifespan or consumption rate in high-volume industries?

A: In flat/high-deposition lines (e.g., container111, shipyard production), one 5mm E7024 stick welds up to 1.8 meters/rod, enabling less frequent electrode substitution and increased throughput. Comparative tests show 12–20% savings in time/cost over E6013.

References & Further Reading

Grand View Research: Global Welding Consumables Market Report
IHS Engineering360: AWS A5.1/A5.1M Electrode Specification
IIW Bulletin: Arc Welding Electrodes Performance 2023 ICCW/IIW Publications
Practical Welding Today Forum: User Feedback & Field Testing
ISO Official: ISO 2560-A Standard

J422 Welding Rod: Durable Electrodes for Strong Welds

AWS E7018 Welding Rod: Low Hydrogen Electrodes