Industrial Tubing Materials
Lock Joint Tube manufactures as-welded High-Frequency Welded ERW tubing from carbon steel.
Lock Joint Tube LLC also produces tubing from multiple automotive and customer-specific grades and chemistries. We can also provide customized steel grades and chemistries tailored to unique customer specifications.
Steel may be Hot Rolled or Cold Rolled dependent upon customer specification and the steel industry's capability to produce those grades.
Many of these industrial tubing materials are also available as metallic-coated products such as galvanized and aluminized. Inquire with your Sales Representative for more information.
Alloy Steels
Lock Joint Tube LLC also produces 4140 & 4130 alloy tubing from multiple of automotive and customer-specific grades and chemistries.
Learn MoreCold Rolled Commercial Grade - Class 1 (CRCQ)
Cold Rolled Material is a smoother, less porous surface than Hot Rolled Material
Learn MoreHigh Strength Low Alloy (HSLA)
High Strength Low Alloy steels have been created to achieve stronger steels while improving formability and weldability as compared to conventional carbon steels with similar strength levels.
Learn MoreAdvanced High Strength Steels
Established in 1940, Siegal Steel has differentiated itself from other steel processors through quality, service, capabilities and delivery.
Learn MoreHot Rolled Pickled & Oiled (HRPO)
Lock Joint Tube (LJT) has access to a variety of Hot Rolled and Hot Rolled- Pickled and Oiled Material – most LJT Hot Rolled Tube applications are painted-while some are plated.
Learn MorePlating Quality (PQ)
Established in 1940, Siegal Steel has differentiated itself from other steel processors through quality, service, capabilities and delivery.
Learn MoreHave a Question?
Our experts can help
Give us a call at 800-257-6859 or leave us a message.