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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4” x 4” x 1/2” Steel Shim Base Plate Bulk Value Packs A36 Hot Rolled Carbon Steel 0.5” Metal Plate
Vendor:Warrenton Steel ShopRegular price From $10.00 USDRegular price$50.00 USDSale price From $10.00 USDSale -
12" x 12" x 1/8" Steel Plate A36 Hot Rolled Carbon Steel 11ga Post Base Plates Welding Practice 0.125” Metal Sheets for Fabrication Value Packs
Vendor:Warrenton Steel ShopRegular price From $20.00 USDRegular price$40.00 USDSale price From $20.00 USDSale -
7” x 7” Steel Plate A36 Hot Rolled Carbon Steel Metal Base Plates Welding Practice Coupons 1/4” - 5/16” - 3/8” - 1/2” - 5/8” - 3/4” - 1” Select Thickness
Vendor:Warrenton Steel ShopRegular price From $7.99 USDRegular priceSale price From $7.99 USD -
1" x 1" x 1/8" Steel Shims Plates - A36 Hot Rolled - 11ga Metal Weld Test Practice Coupons - 0.125” Wedge Tool - Steel Squares - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $3.00 USDRegular price$15.00 USDSale price From $3.00 USDSale -
1/4” x 3” Aluminum Flat Bar Grade 6061-T6 Rectangle 0.25” Metal Strip Plate for Fabrication Welding Practice Coupons
Vendor:Warrenton Steel ShopRegular price From $5.50 USDRegular priceSale price From $5.50 USD -
8" x 8" x 1/8" Steel Shim Plate A36 Hot Rolled Carbon Steel Sheet 11ga Metal Post Base Plate Welding Test Practice Coupon 0.125”
Vendor:Warrenton Steel ShopRegular price From $10.00 USDRegular price$20.00 USDSale price From $10.00 USDSale -
12” x 12” x 1/4” Steel Plate - A36 Hot Rolled Carbon Steel Metal Post Base Plates - 1’ x 1’ x 0.25” Steel Sheets - Bulk Discount Value Packs
Vendor:Warrenton Steel ShopRegular price From $30.00 USDRegular price$60.00 USDSale price From $30.00 USDSale -
7" x 7" x 1/4" Steel Shim Post Base Plates A36 Hot Rolled Steel 0.25” Heavy Duty Metal Plate Bulk Discounts
Vendor:Warrenton Steel ShopRegular price From $15.00 USDRegular price$30.00 USDSale price From $15.00 USDSale -
6” x 6” x 3/8" Steel Shim Post Base Plate A36 Hot Rolled Carbon Steel 0.375” Metal Welding Practice Coupon Bulk Discounts
Vendor:Warrenton Steel ShopRegular price From $12.00 USDRegular price$60.00 USDSale price From $12.00 USDSale -
4" x 8" x 1/8" Welding Practice Coupons A36 Hot Rolled Carbon Steel 11ga Weld Training Kit 0.125” Metal Plate Value Packs
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$10.00 USDSale price From $5.00 USDSale -
4” x 4” x 1” Steel Shim Plate Bulk Value Packs A36 Hot Rolled Carbon Steel Post Base Plate 1” Metal Plate
Vendor:Warrenton Steel ShopRegular price From $15.00 USDRegular price$75.00 USDSale price From $15.00 USDSale -
4" x 4" x 3/16" Steel Welding Practice Coupon A36 Hot Rolled Carbon Steel Sheet Shim Base Plate 0.1875” Metal Value Packs
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$25.00 USDSale price From $5.00 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 -
1/4” x 5” Aluminum Flat Bar Grade 6061-T6 Rectangle 0.25” Aluminum Metal Strip Plate for Fabrication & Welding Practice Coupons
Vendor:Warrenton Steel ShopRegular price From $3.75 USDRegular priceSale price From $3.75 USD -
1" x 1" x 1/8" Steel Squares A36 Hot Rolled Carbon Steel 11ga Art & Craft Steel 0.125” Wedge Tool Metal Square Plates Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $2.00 USDRegular price$10.00 USDSale price From $2.00 USDSale -
1 1/4” x 8” x 1/8” Flat Steel Welding Practice Coupon A36 Hot Rolled 11ga Metal Strip Shim Plate for Fabrication 0.125” Value Packs
Vendor:Warrenton Steel ShopRegular price From $4.00 USDRegular price$8.00 USDSale price From $4.00 USDSale
Discount available for Military, First Responders, Medical Workers and Teachers