Aluminum Vs. Steel Stock Picking Ladder Carts: Which Material Suits Your Needs? This article compares aluminum and steel stock picking ladder carts, examining factors like weight, load capacity, corrosion resistance, cost, and maintenance. Aluminum carts offer lightweight, rust-resistant advantages ideal for lighter loads and moist environments, while steel carts provide superior strength and durability for heavy-duty applications. Understanding these differences helps businesses select ladder carts best suited to their operational needs, improving productivity and safety.