Starrett 54958 Low Carbon Steel Flat Stock C1018

Product Description

The STARRETT 54958 is a low carbon steel flat stock bar made to AISI Type C1018 specification. It measures 24 inches long, 3.5 inches wide, and 0.3125 inches thick, and weighs 7.44 pounds. C1018 is a general-purpose mild steel known for consistent machinability, weldability, and surface finish response. This flat stock is manufactured to tight tolerances: thickness and squareness held to plus or minus 0.001 inches, width tolerance of plus 0.000 to 0.005 inches, and length tolerance of plus 0.625 inches. It is used by machinists, fabricators, pipefitters, and maintenance trades for brackets, supports, spacers, and custom fabricated components.

This flat bar is suited to light structural and mechanical fabrication work in both commercial and industrial settings. Common applications include HVAC equipment supports, electrical panel brackets, plumbing hanger fabrication, and general-purpose shop stock. The 24-inch length provides usable stock for cut-to-length parts without excessive material waste. The C1018 grade accepts welding, drilling, tapping, and grinding with standard shop equipment, making it a practical choice for field fabrication and in-shop custom work.

Key Features

• AISI Type C1018 low carbon steel for consistent machinability and weldability
• Thickness and squareness tolerance held to plus or minus 0.001 inches for precise fitment
• Width tolerance of plus 0.000 to 0.005 inches for close-tolerance applications
• 24-inch length with plus 0.625-inch length tolerance
• 7.44 pounds per piece — suitable for single-piece procurement

Compatibility

Designed as a general-purpose flat stock for fabrication, repair, and custom component work across mechanical, HVAC, plumbing, and electrical trade applications.

Installation Notes

This flat stock is raw material requiring cutting, drilling, or forming before installation. Use appropriate personal protective equipment when cutting or grinding steel. Follow applicable codes such as NEC or IFGC when fabricating support hardware for electrical or gas equipment. Deburr all cut edges before handling or assembling into final components.