TPT March 2025

TECHNOLOGY

Mastering the challenges of boron steel tube welding

and advanced wel- ding techniques has enabled ENRX to develop innovative solutions that deliver precision, efficiency and reliability.

RENOWNED for its unmatched strength, durability and lightweight performance, boron steel has become a cornerstone of modern manufacturing. Yet, its unique properties also pose significant challenges for tube welding, requiring advanced technology and expertise. Boron steel has emerged as a game changer in industries where strength, durability and precision are essential. Known for its ultra high strength properties and good formability when hot formed, boron steel is widely used in vehicle safety structures, lightweight engineering and other applications requiring complex shapes and outstanding wear resistance. However, welding this material demands cutting edge technology that ensures consistent performance while preserving its unique properties. “‘This is where our Weldac tube welders truly excel,” said Morten Lavergren, in-line manager at ENRX. As an expert in induction-based tube welding, ENRX is at the forefront of helping manufacturers unlock the full potential of advanced materials like boron steel. This success is driven by the expertise of ENRX’s highly skilled team, including PhDs and industry veterans who have dedicated their effort to solving the complex challenges of boron steel welding. Their in-depth knowledge of metallurgy, heat treatment

Boron steel tubing is prized for its exceptional strength, hardness and wear resistance

challenges with precision and efficiency. By combining advanced induction technology with ENRX’s expertise in welding systems, Weldac provides tube manufacturers with a reliable solution that meets the demands of boron steel and beyond. “Our welders are built with superior heat management systems,” Mr Lavergren said. “This ensures optimal heat input during welding, which helps preserve the material’s structural integrity while minimising the risk of defects.” “Reliability is another key strength of Weldac,” he added. “Our systems are engineered with advanced controls and tight tolerances to deliver consistent weld quality across batches. Manufacturers can count on unmatched repeatability.” ENRX has been delivering advanced boron steel welding solutions to manufacturers worldwide for several years, helping them overcome the unique challenges associated with this high performance material. One notable example is their partnership is with Zhida Precision Pipe Manufacturing Co Ltd. Zhida has relied on ENRX’s welders to produce high quality boron steel tubes that meet the rigorous demands of automotive and industrial applications. The consistent performance and superior weld quality provided by Weldac systems have made them an indispensable part of Zhida’s production process. “At ENRX, we are committed to pushing the boundaries of what’s possible in tube welding,” said Mr Lavergren. “As the demand for advanced materials like boron steel continues to grow, our Weldac technology is ready to support manufacturers with precision, reliability and efficiency.”

“Over the years, we’ve collaborated closely with leading line builders and manufacturers to deepen our expertise,” Mr Lavergren says. “Today, we’re proud to offer optimised Weldac welders specifically designed to meet the unique challenges of boron steel welding.” Boron steel tubing is prized for its exceptional strength, hardness and wear resistance, making it ideal for creating lightweight yet robust structures. Its ability to combine strength and formability makes it indispensable in industries such as automotive and construction. For example, the exceptional strength of boron steel opens opportunities to replace traditional solid bars with hollow tubes, significantly reducing weight and material usage without compromising on performance. This shift not only enhances design flexibility but also supports more sustainable manufacturing practices by lowering material consumption and overall emissions. Welding boron steel, however, is no small task according to Mr Lavergren. “Its properties demand much more precise control than carbon steel in order to prevent microcracking, distortion and other defects,” he explained. “And the need for tight dimensional tolerances and consistent performance across batches adds another layer of complexity.” Boron steel presents a unique set of challenges. Achieving optimal results requires an advanced welder, capable of precise control over critical parameters such as frequency and power output with the right quality system. Any deviation from these finely tuned settings can compromise the final product, leading to defects or weakened performance. ENRX Weldac tube welders are specifically designed to tackle these

Morten Lavergren

ENRX

www.enrx.com

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MARCH 2025