Products

Hollow square tubing in materials like carbon steel, aluminum, or stainless — available in a range of wall thicknesses and square cross-section sizes so you can get exactly the dimensions your project requires. Square tubing is a versatile structural element, ideal for fabrication, framing, support structures, enclosures, racks, furniture, trailers, and general metal-working projects where strength and rigidity are needed while minimizing weight. Cut-to-size service with no minimum order lets contractors, fabricators, hobbyists, and small shops order just what they need — with local pickup or delivery from their Janesville, WI facility.

Cut-to-size stainless steel sheets in gauges ranging from 28 GA up to 11 GA, with widths from 48″ to 72″ and lengths from 96″ to 240″. You can choose common stainless alloys like 304 or 316L to suit your project’s needs — whether you're looking for corrosion resistance, durability, or clean aesthetic finish.These stainless sheets are ideal for a wide range of applications, including fabrication, enclosures, structural components, food-grade equipment, or exterior installations. Flexible sizing and local distribution from Janesville, WI, making it easy for contractors, fabricators, or hobbyists to get the stainless steel sheet metal they need without excess waste or minimum-order constraints.

Leading provider of high-quality aluminum plate, known for its superior strength-to-weight ratio and excellent corrosion resistance. Stock of versatile grades like 6061, 3003, and 5052 in a wide range of sizes, including thicknesses from 3/16" up to 2" and widths up to 72". Aluminum plate can be precision-cut to your project's exact length specifications and conveniently delivered to your job site.

American Industrial Steel & Supply in Janesville, WI offers quality Electrical Metallic Tubing (EMT) conduit—a lightweight yet durable solution for protecting and routing electrical wiring in commercial, industrial, and residential projects. EMT conduit is a thin-wall metal tubing designed for easy installation, excellent mechanical protection, and cost-effective compliance with electrical codes, making it a go-to choice for electrical contractors and installers. Available in a range of trade sizes with custom lengths and on-site delivery options, our EMT conduit helps keep your job on schedule with reliable local service right here in Janesville.

Our expanded metal mesh offers a lightweight yet incredibly strong solution for industrial, architectural, and fabrication needs. Made by slitting and stretching solid metal into a continuous, diamond-patterned mesh, expanded metal provides excellent airflow, visibility, and structural integrity without wasted material. Its versatile performance makes it ideal for screening, guarding, ventilation, and decorative applications across construction, manufacturing, and design projects. Available in flat or raised features and multiple thicknesses and sizes, our expanded metal delivers reliability and adaptability right here in Janesville.

High-quality carbon steel plates, offering heavy-duty material for structural, machinery, and industrial fabrication applications. Stocking a comprehensive range of plates with thicknesses from 3/16" up to 2" and widths up to 72", in lengths up to 240". Our inventory includes standard structural grades like A53 and specialized materials like AR400-500 abrasion-resistant plate. Custom cut plate to your required size and deliver it directly to your job site.