LY Steel offers a comprehensive portfolio of cold-rolled high-strength steel specifically engineered for carriage covers and automotive compartments, with grade strengths spanning from 350 MPa to 950 MPa. This range of advanced materials is designed to meet diverse and demanding application requirements across multiple heavy-duty industries. In the shipping container sector, these steels are widely utilized for side walls, roof panels, and door systems, where their high strength-to-weight ratio contributes to structural integrity while minimizing total weight. Similarly, for commercial vehicle manufacturing, they serve as ideal materials for the lateral plates of truck carriages, van bodies, and trailer units, providing the necessary durability to withstand rigorous loading conditions, road vibrations, and long-term operational stresses.
A key application lies in the production of high-strength welded pipes, which are often employed as structural reinforcement frames or roll-over protection structures (ROPS) within vehicle designs. The consistent mechanical properties and excellent formability of LY Steel’s cold-rolled products ensure that these components can be fabricated into complex shapes without compromising their structural performance. As a specialized subtype, cold rolled automotive compartment steel has become increasingly critical in the design of modern utility vehicles, cargo vans, and specialized transport units, where it enables the production of lighter yet stronger compartment structures that enhance payload capacity and fuel efficiency.
All products undergo precise rolling and controlled annealing processes to achieve superior surface quality, dimensional accuracy, and uniform mechanical characteristics. This guarantees excellent weldability, paint adhesion, and corrosion resistance, which are essential for long service life in harsh environments. Whether for rolling shutters, freight container panels, or internal bracing elements, LY Steel’s high-strength cold-rolled solutions provide manufacturers with reliable material performance that meets both industry standards and specific customer design specifications, establishing a trusted benchmark in the field of commercial vehicle and container manufacturing.

