A513 Steel Tubing

LJT offers high-quality A513 Electric Resistance Welded (ERW) steel tubing, known for extremely tight tolerances, strong welds, consistent quality, and a smooth finish. Lock Joint Tube produces ASTM A513 steel tubing in hot rolled (HR), cold rolled (CR), and pickled & oiled (HRPO) specifications. A513 ERW tubing is available in grade 1008 and higher.

A513 Steel Tubing Shapes

LJT has over 360 unique OD’s and we have often partnered to with our customer in order to develop new unique shapes to solve their tubing problems or help them develop new products. Our tubes are available in diameters ranging from .625 – 6.35”.

One key advantage of all shapes offered is that LJT is capable of making any shape into telescopic tubes that make assembly and transportation easier.

• Oval
• Round
• Square
• Rectangle
• Non-Symetrical/Asymetrical
• Specialty Shapes

Markets Served

• Automotive: Since our establishment in 1919, LJT has been a dedicated supplier to the automotive industry. Recently, we've upgraded our equipment significantly to enhance the quality of our final products. Moreover, LJT stands out for our capability to process Advanced High Strength Steel (AHSS) for automotive applications.
• Solar: LJT has been a solar industry supplier since its inception in the US. We are proud to offer unique long-lasting coatings such as our Lock-on-galv coating in order to create the most durable tube possible that will last over 50 years in the field for our customers.
• Exercise Equipment: Our tubes are part of treadmills, ellipticals, step machines, bikes, strength training equipment, etc.
• Furniture: LJT tubing is perfect for desks, chairs, hospital beds, IV drips, retail shelving, and more!
• Construction: We specialize in prefabricated metal buildings, carports, as well as greenhouses, and other farming & agricultural building projects.

LJT is always willing to think outside the box and invest in equipment of meet customer requirements. We are known for our consistency and ability to provide a Total Value Product (TVP).