MST Steel Corporation

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Founded in 1977, MST Steel Corp. has grown into a leading force in the steel processing industry, proudly serving as a Tier 1 and Tier 2 supplier to numerous automotive stamping companies. With a legacy of quality, precision, and service, MST Steel is more than just a steel supplier — it's a dependable partner in the ever-evolving manufacturing landscape. Headquartered in Warren, Michigan, with two facilities in Warren and one in Bardstown, Kentucky, MST Steel delivers top-tier steel products across the United States, Canada, and Mexico. With nearly five decades of industry experience, MST Steel has solidified its reputation by consistently delivering high-quality steel products to a wide array of industries. While the automotive sector remains at the heart of MST’s operations, the company also supports the construction, furniture, HVAC, and communications industries, offering materials that meet diverse specifications and industry standards. One of the hallmarks of MST Steel is its massive 85,000-ton inventory, which includes both galvanized and non-coated steel options. This includes hot dipped galvanized coils — a popular choice for corrosion resistance and durability — as well as ASTM Cold Rolled Steel Sheets, known for their smooth surface finish and excellent mechanical properties. These materials are suitable for a range of applications from structural components to aesthetically demanding parts. MST Steel specializes in high strength low alloy steel, Dual Phase, and TRIP (Transformation Induced Plasticity) steel — advanced steel grades known for their exceptional formability and strength-to-weight ratio. These characteristics make them ideal for automotive steel applications, where performance and safety are paramount. The company also maintains a strong capability in sourcing and processing hard-to-find grades, addressing critical needs in high-performance manufacturing. Steel strain hardening is another area where MST Steel demonstrates deep expertise. By understanding how materials respond to stress and deformation, the company ensures the steel supplied can endure complex forming processes without failure. MST Steel also offers part evaluations — when provided with a part, their experts verify whether the ordered steel grade is appropriate for forming, helping customers avoid costly production issues. Equipped with three 72" slitting lines featuring the latest technology, MST Steel is positioned to meet the most demanding quality standards. Their slitting lines are capable of handling tight gauge tolerances and camber-critical jobs, essential for precision-focused applications. An advanced X-ray thickness measurement system provides real-time, continuous monitoring to ensure steel meets exact specifications from start to finish. In emergency or shut-down situations, MST Steel stands out with its quick-turnaround capability. The company can often slit and deliver material in less than 24 hours, a testament to its agility and customer-first mindset. Local deliveries in Michigan are made on MST’s own fleet of trucks, ensuring reliability and timely service. Complementing its production capabilities is MST’s on-site testing laboratory, equipped for hardness, ductility, and tensile/yield strength testing. The lab also performs chemical analysis to ensure every coil or sheet meets industry and customer-specific standards. All shipments are accompanied by chemical and physical certifications, and AIAG bar-coded tags ensure seamless integration with customer inventory systems. Lastly, MST Steel’s long-standing relationships with domestic steel mills allow for consistent supply, competitive pricing, and reliable sourcing — even in volatile market conditions. This strategic positioning, combined with technical support and exceptional customer service, makes MST Steel a trusted name in the steel supply chain.