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In the high-stakes world of industrial construction and heavy fabrication, the choice of consumables is not merely a logistical detail—it is a critical safety and engineering decision. As a leading OEM E7018 Welding Electrodes Manufacturer & Factory, Shijiazhuang Tianqiao Welding Materials Co., Ltd. provides the technical foundation for infrastructure that lasts for generations. The E7018 electrode, known for its low-hydrogen potassium coating and iron powder addition, represents the pinnacle of manual metal arc welding (MMAW) efficiency for carbon steels.
With over 15 years of manufacturing expertise (est. 2007), our facility integrates rigorous R&D with real-world application data to ensure every rod meets global AWS and ISO standards.
Our E7018 series offers a minimum tensile strength of 70,000 psi, exceptional impact toughness at -30°C, and ultra-low diffusible hydrogen levels to prevent cold cracking.
Supplying Tier-1 contractors across the US, Europe, and the Middle East, we understand localized regulatory requirements and the nuances of international supply chains.
Shijiazhuang Tianqiao Welding Materials Co., Ltd was founded in 2007 located in 30 kilometers in the southwest of shijiazhuang. Our factory traffic is very convenient just 20 kilometers to the west of 107 national highway, also near to the Shixing and Jingzan highway. We have strong technical force, complete product testing equipment so that we can keep stable product quality. Our company is composed of production department, technical department, R&D department, QC & Laboratory, Sale department, Logistic department.
Our products include kinds of welding electrodes with the brand of "Yuanqiao", "Changshan", such as low carbon steel, low alloy steel, heat-resistant steels, low temperature steel, stainless steel, cast iron, hard surfacing welding electrodes. All kinds of sintered flux and various kinds of welding wire and various mixed welding powder.
The global welding consumables market is witnessing a significant shift toward high-efficiency, low-emission products. E7018 electrodes remain the dominant choice for field-based structural work where automated systems (like MIG/MAG) are impractical due to environmental factors like wind or accessibility issues.
In developing economies, the surge in urbanization is driving a 6.5% CAGR in E7018 demand. In mature markets, the focus has shifted toward "H4R" moisture-resistant coatings that extend the shelf life and open-air exposure time of electrodes.
The transition to renewable energy—specifically offshore wind towers and hydrogen storage tanks—requires the high fracture toughness provided by the E7018 chemistry to withstand cyclic loading and extreme pressures.
Modern "Green" factories, like Tianqiao, are optimizing flux formulations to reduce fluoride emissions and welding fumes, improving welder health and safety without compromising arc stability.
Min. Tensile Strength
Charpy V-Notch Stability
Low Hydrogen Rating
Iron Powder Content
In seismic-prone zones, E7018 is essential for beam-to-column connections. The "ductile" nature of the weld metal allows structures to absorb energy during environmental stress.
Used extensively for hull fabrication and deck plating. Our electrodes are designed to pass rigorous X-ray inspections and ultrasonic testing in saltwater environments.
Particularly for "tie-in" welds and repair work where hydrogen-induced cracking (HIC) is a constant threat. The E7018 low-hydrogen profile ensures metallurgical integrity.
Refurbishing mining equipment and earthmovers. The iron powder in the coating provides high deposition rates, reducing downtime for critical industrial assets.
Developing binders that are hydrophobic, allowing electrodes to stay out of the oven for up to 9 hours while maintaining < 4ml/100g of diffusible hydrogen. This is critical for field sites with high humidity.
Utilizing nano-scale additives in the flux to improve arc force and penetration. This allows for easier "out-of-position" welding (vertical up and overhead) for less experienced operators.
Integrating QR codes on vacuum-sealed packs that link to batch-specific MTRs (Material Test Reports), ensuring 100% traceability for critical aerospace and nuclear applications.
Our products are one hundred percent exported and have sold worldwidely, mainly to US, Europe, South America, Australia, Africa, Middle East, Southeast Asia and etc. Our products meet customers warm welcome due to the excellent quality, outstanding preformance and competetive price.
Under the spirit of "Supreme Quality, honesty, win-win cooperation", we are willing to achieve common development and create brilliance with all of customers. We are looking forward to establish mutual benefit, long-term and stable relationship with customers and distributors all over the world.
As a direct factory, we provide OEM partners with stable lead times and buffer stock management, mitigating the volatility of raw material prices (Iron and Silicates).
Need a specific E7018 variant for extreme cold (-45°C) or specific slag detachability? Our laboratory can customize the chemistry for your project requirements.
We handle the heavy lifting of compliance, providing CE, ABS, Lloyd’s, and ISO certifications to ensure your imports clear customs and meet local engineering codes.
E7018 is a low-hydrogen electrode with iron powder, designed for structural steel and high-load applications. E6013 is a rutile electrode with shallower penetration, best suited for thin sheet metal and general fabrication where appearance is more important than mechanical strength.
Yes. To maintain their "low-hydrogen" status, E7018 electrodes should be stored in a rod oven at 250-300°F (120-150°C) after the hermetic seal is broken. This prevents moisture pickup which can cause hydrogen cracking.
E7018 electrodes are versatile and can be used with DCEP (Direct Current Electrode Positive) for better penetration, or AC (Alternating Current) for reduced arc blow.
Yes, the "1" in 7018 signifies that it is an all-position electrode (Flat, Horizontal, Vertical, and Overhead). Its fast-freezing slag makes it ideal for out-of-position work.
The iron powder increases the deposition rate, meaning you can lay more weld metal in less time. It also helps stabilize the arc and allows for higher welding currents.
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Tianqiao Welding