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
-
12” x 12” Steel Plate - A36 Hot Rolled Carbon Steel Plates - Post Base Plates - Welding Test Practice Coupons - SELECT THICKNESS - 1/8” - 3/16” - 1/4” - 3/8” - 1/2” - 5/8” - 3/4” - 1” - Steel Plate for Fabrication
Vendor:Warrenton Steel ShopRegular price From $15.00 USDRegular price -
1/2” x 2 1/2” Aluminum Flat Bar - 6061-T6 Aluminum Strip Plate - 0.5” x 2.5” Bar Stock - Solid Rectangle Aluminum For Fabrication or Welding Practice
Vendor:Warrenton Steel ShopRegular price From $1.99 USDRegular price$25.00 USDSale price From $1.99 USDSale -
Stainless Steel Flat bar 1 3/16" x 13" x 16Ga Grade T304
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$0.00 USDSale price From $5.00 USD -
3” x 3” x 1/2" Steel Shim Plates A36 Hot Rolled - 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 -
3” x 3” x 1/4" Steel Shims Plates -A36 Hot Rolled - Weld Test Practice Coupons - 0.25” Base Plates - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $2.00 USDRegular price$10.00 USDSale price From $2.00 USDSale -
4" x 4" x 1/8" Carbon Steel - 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 - Flat Bar - Strip Plate - Bulk Discount Value Packs
Vendor:Warrenton Steel ShopRegular price From $3.00 USDRegular price$6.00 USDSale price From $3.00 USDSale -
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 - Strip Plate for Welding Training - Bulk Discount 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 - Hollow Round Bar - Handrail for Fabricators - Ordered by the Inch
Vendor:Warrenton Steel ShopRegular price From $1.99 USDRegular price -
1/4” x 2” Flat Aluminum Bar - 6061-T6 - Flat Strap - 0.25” Aluminum Plate Strip - Rectangle Aluminum Bar Stock - Flat Stock- Welding Practice - Fabrication
Vendor:Warrenton Steel ShopRegular price From $0.99 USDRegular price -
1/8” x 2” Aluminum Flat Bar - 6061-T6 - 11ga Flat Strap - 0.125” Aluminum Plate Strip - Rectangle Aluminum Bar Stock - Flat Stock- Welding Practice - Fabrication
Vendor:Warrenton Steel ShopRegular price From $0.99 USDRegular price -
10” x 10” x 3/16” Carbon Steel Plate - A36 Hot Rolled Steel Post Base Plate - 0.1875” Steel for Fabrication - Welding Test Practice Coupons
Vendor:Warrenton Steel ShopRegular price From $20.00 USDRegular price$40.00 USDSale price From $20.00 USDSale -
1/2” x 3” Aluminum Flat Bar - 6061-T6 Aluminum Strip Plate - 0.5” x 3” Bar Stock - Solid Rectangle Aluminum Bar For Fabrication or Welding Practice
Vendor:Warrenton Steel ShopRegular price From $1.99 USDRegular price -
8" x 12" x 1/8" Steel Plate 11ga A36 Hot Rolled Post Base Plate - 0.125” Welding Practice Coupon - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $24.00 USDRegular price -
Stainless Steel Flat bar 1 3/16" x 16 5/16" x 16Ga Grade T304
Vendor:Warrenton Steel ShopRegular price From $21.99 USDRegular price$50.00 USDSale price From $21.99 USDSale -
4” x 4” x 3/8" Steel Shim Plates -A36 Hot Rolled - Welding Coupons - 0.375” Post Base Plates - Heavy Duty Steel Plate - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$25.00 USDSale price From $5.00 USDSale