Charter Steel Trading Co, 1600 S Kostner Ave, Chicago, IL 60623, US

Security Steel Supply Co was incorporated in 1964. Since our inception, we have been a quality distributor of 5160H spring steel and leaf spring suspension components. Our steel inventory includes over 200 sizes of 5160H spring flats, including many metric sizes. Along with 5160H, we also supply many other grades and sections of steel including rounds, squares, strip, plates, and sheets. All material is prime steel and is available with full certification. We can sell as little as one bar for a prototype or as much as multiple truckloads per size. In addition to spring steel, we have a very comprehensive line of components for the repair and replacement of automotive leaf springs. Some of these spring accessories include ; tempered leaves, threaded rods, u-bolts, and many other suspension parts.