1/8" A36 Steel Circle Plate – Select Diameter

1/8" A36 Steel Circle Plates – Precision Cut for Fabrication, Welding & Repair

Our 1/8" thick A36 steel circle plates are precision CNC plasma cut from premium ASTM A36 low carbon steel and are available in diameters from 4" to 30". These versatile steel circles are perfect for fabrication, trailer building, machinery repairs, mounting plates, fire pits, decorative projects, welding, and industrial applications.

Every circle is cut in-house with smooth, weld-ready edges and a raw mill finish, making it ready for welding, machining, drilling, painting, or powder coating. Whether you need one steel circle or a production quantity, JWM Metal Supply delivers precision-cut American steel with fast turnaround and free shipping.

Features

• Premium ASTM A36 Low Carbon Steel
• 1/8" (0.125") Thick
• Diameters from 4" to 30"
• Precision CNC Plasma Cut
• Smooth, Weld-Ready Edges
• Raw Mill Finish
• Excellent Weldability
• Easy to Drill and Machine
• Made in the USA
• Always Fast & Free Shipping
• Ships in 1–5 Business Days

Specifications

Material: ASTM A36 Low Carbon Steel

Thickness: 1/8" (0.125")

Shape: Circle

Available Diameters: 4"–30"

Manufacturing Process: CNC Plasma Cut

Dimensional Tolerance: ±0.025"

Finish: Raw, Uncoated Steel

Country of Origin: USA

Common Uses

• Fire Pit Bases
• Base Plates
• Mounting Plates
• Trailer Fabrication
• Machinery Repair
• Welding Projects
• Decorative Metal Projects
• Agricultural Equipment
• Industrial Fabrication
• DIY Metal Projects

Why Buy From JWM Metal Supply?

• Precision Cut in Kansas
• Premium American Steel
• No Minimum Order
• Fast Turnaround
• Always Fast & Free Shipping
• Ships in 1–5 Business Days
• Bulk Pricing Available
• Family-Owned Fabrication Shop

Frequently Asked Questions

Can these steel circles be welded?

Yes. ASTM A36 low carbon steel offers excellent weldability using MIG, TIG, or Stick welding.

Can I drill or machine these circles?

Absolutely. A36 steel machines and drills easily using standard metalworking tools.

Will my circle have mill scale?

Yes. Circles are supplied with a raw mill finish and may contain light mill scale, scratches, or surface discoloration typical of carbon steel.

Can I order larger quantities?

Yes! Contact us for bulk pricing and production orders.