Starrett 54954 Low Carbon Steel Flat Stock Aisi C1018

Product Description

The STARRETT 54954 is a low carbon steel flat bar cut to 24 inches long, 1.5 inches wide, and 0.3125 inches thick, conforming to AISI Type C1018 material specification. C1018 is a general-purpose low carbon steel known for consistent machinability, good weldability, and reliable dimensional tolerances — making it a practical choice for fabrication, maintenance, and repair work across mechanical, HVAC structural, plumbing support, and general trade applications. At 3.18 pounds per piece, it is sized for bench work and field fabrication without requiring heavy lifting equipment. Tolerances are held tight: thickness and square are controlled to plus or minus 0.001 inches, width to plus 0.000 to 0.005 inches, and length to plus 0.625 inches.

This flat stock is suited for light fabrication tasks including brackets, mounting plates, shims, support straps, and structural reinforcements in mechanical systems. It is commonly used by HVAC technicians, plumbers, electricians, and general contractors who need a reliable stock steel bar for custom-cut components or on-the-fly field repairs. The piece ships as a single unit at the stated dimensions and is ready for cutting, drilling, welding, or bending with standard shop or field tools.

Key Features

• AISI Type C1018 low carbon steel for consistent machinability and weldability
• Tight thickness and square tolerance of plus or minus 0.001 inches for precision fit-up
• Width tolerance held to plus 0.000 to 0.005 inches
• Length tolerance of plus 0.625 inches allows for field trimming to exact dimension
• Single-piece packaging — no minimum bundle required
• 3.18 pounds — manageable for bench work and field fabrication

Compatibility

Designed as a general-purpose AISI C1018 low carbon steel flat bar suitable for fabrication, repair, and structural support applications across mechanical trades.

Installation Notes

Cutting, drilling, and welding should be performed by qualified tradespeople using appropriate PPE including eye protection and cut-resistant gloves. Deburr all cut edges before installation in any mechanical assembly. When used as a structural support or mounting component, verify that load requirements are within the material limits of C1018 mild steel. Follow applicable local codes and standards for any structural or mechanical application.