Collection: Flat Bar
Steel Flat Bar – A36 Hot Rolled | Cut to Size
Our A36 hot-rolled steel flat bar is made from ASTM A36 structural steel, known for strength, durability, and weldability. It’s a versatile choice for construction, fabrication, and DIY projects.
Flat bar is a rectangular steel shape with a smooth finish and dimensional accuracy, ideal for bracing, supports, base plates, brackets, frames, rails, repairs, and home projects.
We stock thicknesses from 1/8" to 1/2", widths from 1" to 6", and lengths up to 20 feet. Cut-to-size service ensures you get the exact dimensions you need.
Warrenton Steel offers premium A36 steel, fast custom cuts, competitive pricing, nationwide shipping, and reliable service. Order online or contact us at 636-456-8400 or Sales@WarrentonSteel.com
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1/4" x 1" Steel Flat Bar Strip Plate -A36 Hot Rolled Carbon Steel - Welding Practice Coupons - 0.25” Steel Bar Stock
Vendor:Warrenton Steel ShopRegular price From $0.50 USDRegular price$1.30 USDSale price From $0.50 USDSale -
1-1/2" x 1/8" A36 Hot Rolled Carbon Steel Flat Bar | Cut to Size - 11ga Strip Plate - 1.5” x 0.125” Welding Practice Coupon - Steel Plate for Fabrication
Vendor:Warrenton Steel ShopRegular price From $1.99 USDRegular price -
1 1/4” x 8” x 1/8” Flat Steel Shim Plate- Grade A36 Hot Rolled - 11ga Plate Strip for Fabrication - 0.125” Welding Practice Coupon - Bulk Discount Value Packs
Vendor:Warrenton Steel ShopRegular price From $2.00 USDRegular price$0.00 USDSale price From $2.00 USD -
5” x 5” x 1/4" Steel Shim Plates - A36 Hot Rolled Post Base Plate - 0.25” Heavy Duty Steel - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$25.00 USDSale price From $5.00 USDSale -
1/2" Solid Square Steel Bar - A36 Hot Rolled Square Steel Rod - 0.5” Square Shaft Stake
Vendor:Warrenton Steel ShopRegular price From $0.99 USDRegular price$3.00 USDSale price From $0.99 USDSale -
Flat Steel Shim - Bare Carbon A36 Hot Rolled Steel Plate for Welding Practice or Fabrication - Bulk Pricing Value Packs
Vendor:Warrenton Steel ShopRegular price From $30.00 USDRegular price -
1/8” x 3” Aluminum Flat Bar Stock - 11ga 6061-T6 Aluminum Strip Plate - 0.125 Aluminum Rectangle Plate - Welding Practice Coupons - Fabrication
Vendor:Warrenton Steel ShopRegular price From $0.99 USDRegular price -
8" x 8" x 1/8" Steel Shim Plate - A36 Hot Rolled Carbon Steel - 11ga Post Base Plate - Welding Test Practice Coupon - 0.125” Steel Sheet
Vendor:Warrenton Steel ShopRegular price From $8.00 USDRegular price$16.00 USDSale price From $8.00 USDSale -
2.5" x 3" x 3/8" Welding Practice Coupons - 0.375” A36 Hot Rolled Steel Base Plates - Welding Kit - Steel Shim Plate - 2 1/2” x 3” x 0.375” Heavy Duty Steel Plate for Fabrication - Bulk Pricing Value Packs
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$10.00 USDSale price From $5.00 USDSale -
7" x 7" x 1/4" Steel Shim Plates - Post Base Plate - A36 Hot Rolled Steel - 0.25” Heavy Duty Steel Plate - Bulk Discounts
Vendor:Warrenton Steel ShopRegular price From $15.00 USDRegular price$75.00 USDSale price From $15.00 USDSale -
1" x 1" x 1/8" Steel Shims Plates - A36 Hot Rolled - 11ga Weld Test Practice Coupons - 0.125” Wedge Tool - Steel Squares - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $1.00 USDRegular price$5.00 USDSale price From $1.00 USDSale -
8" x 12" x 1/8" Steel Post Base Plates - 11ga A36 Hot Rolled Shim Plate - 0.125” Welding Practice Coupon
Vendor:Warrenton Steel ShopRegular price From $11.00 USDRegular price -
2.5" x 8" x 1/4" Steel Welding Kit - Shim Base Plate - A36 Hot Rolled Carbon Steel - Welding Test Practice Coupons - 0.25” Heavy Duty Plate Strip for Fabrication - Bulk Pricing Value Packs
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$25.00 USDSale price From $5.00 USDSale -
4" x 4" x 3/16" Steel Shim Plate – A36 Hot Rolled Carbon Steel Base Plate - Welding Practice Coupon - 0.1875” Steel Sheet - Bulk Pricing Value Packs
Vendor:Warrenton Steel ShopRegular price From $4.00 USDRegular price$20.00 USDSale price From $4.00 USDSale -
Weld Training Coupons - 4" x 8" x 1/8" - A36 Hot Rolled Steel Welding Training Kit - Base Plates 11ga - Welding Test Practice - 0.125” Bare Carbon Steel Plate for Fabrication - Bulk Discount Value Packs
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$10.00 USDSale price From $5.00 USDSale -
3” x 3” x 3/16” Steel Shim Plate - 0.1875” Welding Practice Coupons - A36 Hot Rolled Carbon Steel Base Plate - Steel for Fabrication - Bulk Pricing Value Packs
Vendor:Warrenton Steel ShopRegular price From $3.00 USDRegular price$6.00 USDSale price From $3.00 USDSale