Starrett 54969 Low Carbon Steel Flat Stock C1018

Product Description

The STARRETT 54969 is a low carbon steel flat stock bar measuring 24 inches long, 1.5 inches wide, and 0.375 inches thick, conforming to AISI material specification C1018. This is a cold-drawn or ground mild steel bar stock used as raw material for fabrication, tooling, and general metalwork applications. At 3.84 pounds per piece, it offers a solid, workable section suitable for machining, welding, or bending. Thickness and squareness are held to plus or minus 0.001 inch, and width tolerance is controlled at plus 0.000 to 0.005 inch, making this appropriate for precision layout and machined-component work where close tolerances matter.

This flat stock is used across a wide range of trade and industrial applications including HVAC equipment fabrication, mounting bracket fabrication, electrical panel supports, plumbing hanger and support fabrication, and general shop use. Machinists, millwrights, pipefitters, and sheet metal workers commonly use C1018 flat bar as a starting blank for custom brackets, shims, wear plates, and structural supports. The 24-inch length suits standard bench work without requiring initial cutoff on most projects.

Key Features

• AISI C1018 low carbon steel — excellent weldability and machinability
• Thickness tolerance of plus or minus 0.001 inch for consistent, close-tolerance fitment
• Width tolerance of plus 0.000 to 0.005 inch for predictable material sizing
• Length tolerance of plus 0.625 inch — allows full usable length after facing or cutoff
• Squareness tolerance of plus or minus 0.001 inch for accurate layout referencing
• 3.84 pounds per piece — convenient single-piece stock for bench and field work

Compatibility

Designed as a general-purpose low carbon steel flat bar suitable for fabrication, repair, and custom metalwork applications across HVAC, plumbing, electrical, and industrial trades.

Installation Notes

Cut, drill, weld, or machine using standard tooling appropriate for low carbon mild steel. Wear appropriate PPE including eye protection and gloves when cutting or grinding. Deburr all cut edges before handling or installation in finished assemblies. When welding, follow applicable AWS guidelines for low carbon steel base metal.