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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2.5" x 3" x 3/8" Welding Practice Coupons Kit - 0.375” A36 Hot Rolled Steel Base Plates - Steel Metal Shim Plate - 2 1/2” x 3” x 0.375” Heavy Duty Steel - Bulk Value Packs
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$10.00 USDSale price From $5.00 USDSale -
4" x 4" x 3/16" Steel Shim Plate – A36 Hot Rolled Carbon Steel Base Plate - Metal 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 -
3” x 3” x 1/2" Steel Shim Plates A36 Hot Rolled - Metal Weld Test Practice Coupons - 0.5” Heavy Duty Steel for Fabrication - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $4.00 USDRegular price$20.00 USDSale price From $4.00 USDSale -
8" x 12" x 1/8" Steel Post Base Plates - 11ga A36 Hot Rolled Shim Plate - 0.125” Metal Welding Practice Coupon
Vendor:Warrenton Steel ShopRegular price From $11.00 USDRegular priceSale price From $11.00 USD -
4” x 4” Steel Shim Plate - A36 Hot Rolled Carbon Steel Metal Plates - Welding Test Practice Coupons - Base Plate - 1/8” - 3/16” - 1/4” - 5/16” - 3/8” - 1/2” - 5/8” - 3/4” - 1” - Select Thickness
Vendor:Warrenton Steel ShopRegular price From $0.00 USDRegular priceSale price From $0.00 USD -
2.5" x 8" x 1/4" Steel Welding Kit - Metal 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 1/8" Carbon Steel Metal - 11ga Welding Test Training Practice Coupons - A36 Hot Rolled 0.125” Steel Plate - Welding Kit - Bulk Discounts Value Packs
Vendor:Warrenton Steel ShopRegular price From $2.00 USDRegular price$12.00 USDSale price From $2.00 USDSale -
2” x 6” x 3/16” Steel Welding Practice Coupon - Base Plate - A36 Hot Rolled Carbon Steel - 0.1875” Welding Test Coupons Kit - Metal Flat Bar Strip Plate - Value Packs
Vendor:Warrenton Steel ShopRegular price From $3.00 USDRegular price$6.00 USDSale price From $3.00 USDSale -
Stainless Steel Flat bar 1 3/16" x 13" x 16Ga Grade T304 Metal
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$0.00 USDSale price From $5.00 USD -
4” x 6” x 3/16” Steel Welding Practice Coupon - Base Plate - A36 Hot Rolled Carbon Steel - 0.1875” Welding Test Coupons Kit - Flat Bar - Metal Strip Plate for Welding Training - Bulk Value Packs
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$10.00 USDSale price From $5.00 USDSale -
2” Aluminum 6063-T52 Schedule 40 Pipe - Round Hollow Tube - Welding Practice - Metal Hollow Round Bar - Handrail for Fabricators - Ordered by the Inch
Vendor:Warrenton Steel ShopRegular price From $2.99 USDRegular priceSale price From $2.99 USD -
1/8” x 2” Aluminum Flat Bar - 6061-T6 - 11ga Metal Flat Strap - 0.125” Aluminum Plate Strip - Rectangle Aluminum Bar Stock - Flat Stock- Welding Practice - Fabrication
Vendor:Warrenton Steel ShopRegular price From $2.00 USDRegular priceSale price From $2.00 USD -
1/2” x 3” Aluminum Flat Bar - 6061-T6 Aluminum Metal Strip Plate - 0.5” x 3” Bar Stock - Solid Rectangle Aluminum Bar For Fabrication or Welding Practice
Vendor:Warrenton Steel ShopRegular price From $2.99 USDRegular priceSale price From $2.99 USD -
8" x 12" x 1/8" Steel Plate 11ga A36 Hot Rolled Carbon Steel Post Base Plate - 0.125” Metal Welding Practice Coupon
Vendor:Warrenton Steel ShopRegular price From $15.99 USDRegular price$48.00 USDSale price From $15.99 USDSale -
3” x 3” x 3/8" Steel Shims Plates -A36 Hot Rolled Metal - Weld test Practice Coupons - 0.375” Base Plate for Fabrication - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $3.00 USDRegular price$15.00 USDSale price From $3.00 USDSale -
4” x 4” x 1” Steel Shim Plate - Bulk Value Packs - A36 Hot Rolled Carbon Steel Post Base Plate- 0.5” Metal Plate
Vendor:Warrenton Steel ShopRegular price From $10.00 USDRegular price$50.00 USDSale price From $10.00 USDSale