General Motors-Specified Steel

MST Steel supplies a comprehensive range of GM-approved steel products engineered to meet the rigorous demands of modern automotive manufacturing and high-performance applications. “GM-Specified Steel” refers to a set of specialty and commodity steel grades specified or commonly used by General Motors and its tier suppliers for vehicle body, structural, thermal, and corrosion-resistant components. These steel types are selected for strength, formability, surface quality, and protective performance — ensuring durability, safety, and long-term reliability in automotive environments.

As a trusted partner to OEMs and fabricators, MST Steel provides these materials with consistent quality, precise tolerances, and reliable supply, supporting both production and aftermarket needs.