Collection: Carbon Steel Flat Shims
Precision A36 Carbon Steel Shims – Built for Strength & Versatility
Warrenton Steel supplies durable A36 carbon steel shims in a variety of sizes and thicknesses. A36 is known for excellent weldability, machinability, and strength—ideal for industrial, structural, and maintenance use.
Perfect for fine adjustments, machinery leveling, structural alignment, general repair, and even welding practice coupons. Resists deformation under load and performs reliably in demanding conditions.
Common Applications: Machinery & equipment leveling, construction framing, tool & die setups, automotive/aerospace assembly, HVAC/plumbing installs, welding practice, and mechanical repairs.
Available in flat, rectangular, and custom-cut shapes—ready for welding, machining, or cutting. Fast turnaround and dependable delivery.
📞 Get a quote: Call 636-456-8400 or email Sales@WarrentonSteel.com
📦 Many sizes in stock—contact us for custom orders.
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4" x 4" x 1/4" Steel Metal Shim Plate - A36 Welding Coupons - 0.25” Base Plates - Heavy Duty Hot Rolled Carbon Steel - Bulk Value Packs
Vendor:Warrenton Steel ShopRegular price From $2.00 USDRegular price$4.00 USDSale price From $2.00 USDSale -
20 Pounds of Steel Welding Practice Coupons - Random Lengths and Sizes - A36 Steel Weld Kit - Metal Welding Test Practice
Vendor:Warrenton Steel ShopRegular price $23.99 USDRegular priceSale price $23.99 USD -
2" x 2" Steel Shim Plates - A36 Hot Rolled Steel Metal - Weld Test Practice Coupons - Wedge Tool - 1/8” - 1/4” - 5/16” - 3/8” - 1/2” - 3/4”
Vendor:Warrenton Steel ShopRegular price From $0.95 USDRegular priceSale price From $0.95 USD -
3" x 3" x 1/8" Steel Shims - Metal Base Plates - 11ga Welding Test Practice Coupons - A36 Hot Rolled Carbon Steel - 0.125” Steel for Fabrication - Bulk Discount Value Packs
Vendor:Warrenton Steel ShopRegular price From $1.00 USDRegular price$2.00 USDSale price From $1.00 USDSale -
4" x 4" x 1/8" Carbon Steel Metal Shim Base Plate - 11ga Welding Test Practice Coupons - A36 Hot Rolled 0.125” Steel Plate - Welding Kit - Bulk Value Packs
Vendor:Warrenton Steel ShopRegular price From $1.25 USDRegular price$7.50 USDSale price From $1.25 USDSale -
2” x 1/8” Steel Flat Bar - A36 Hot Rolled Carbon Steel Metal Plate Strip 11ga - By The Inch - 0.125” Welding Practice Coupons - Steel Plate For Fabrication - Flat Stock - Steel Flats - Bar Stock
Vendor:Warrenton Steel ShopRegular price From $2.00 USDRegular price$3.00 USDSale price From $2.00 USDSale -
6" x 6" x 1/4" Steel Base Plates - Welding Practice - A36 Hot Rolled 0.25” Metal Shim Plate Sheet - Heavy Duty Steel for Fabrication - Bulk Discount Value Packs
Vendor:Warrenton Steel ShopRegular price From $10.00 USDRegular price$20.00 USDSale price From $10.00 USDSale -
5” x 5” x 1/8" Steel Welding Practice Shims Plates - A36 Hot Rolled 11ga Metal Post Base Plate - 0.125” Steel - Bulk Discounts
Vendor:Warrenton Steel ShopRegular price From $3.00 USDRegular price$15.00 USDSale price From $3.00 USDSale -
5" x 7" x 1/4" Steel Shim Metal Base Plate- A35 Hot Rolled Carbon Steel - Welding Practice Coupon - Bulk Value Packs
Vendor:Warrenton Steel ShopRegular price From $9.99 USDRegular price$19.98 USDSale price From $9.99 USDSale -
12” x 12” Steel Plate - A36 Hot Rolled Carbon Steel Metal Post Base Plates - SELECT THICKNESS - 1/8” - 3/16” - 1/4” - 3/8” - 1/2” - 5/8” - 3/4” - 1”
Vendor:Warrenton Steel ShopRegular price From $10.99 USDRegular priceSale price From $10.99 USD -
1/4” x 4” Steel Flat Bar - A36 Hot Rolled Metal Strip Plate - Carbon Steel Rectangle Bar - Welding Practice Coupons - 0.25” Steel Plate for Fabrication
Vendor:Warrenton Steel ShopRegular price From $2.25 USDRegular price$9.00 USDSale price From $2.25 USDSale -
12" x 12" x 1/8" Steel Plate - A36 Hot Rolled Carbon Steel - 11ga Metal Post Base Plates - Welding Practice - 0.125” Steel Sheets for Fabrication - Value Packs
Vendor:Warrenton Steel ShopRegular price From $20.00 USDRegular price$40.00 USDSale price From $20.00 USDSale -
2 Carbon Steel Plates 6" x 6" x 1/4" Plate - Pack of 2 Metal Base plates - A36 Welding Test Practice Coupons - Hot Rolled 0.25” Steel Sheets
Vendor:Warrenton Steel ShopRegular price $8.99 USDRegular priceSale price $8.99 USD -
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 $25.00 USDRegular price$50.00 USDSale price From $25.00 USDSale -
6” x 6” x 3/8" Steel Shim - Post Base Plate - A36 Hot Rolled Carbon Steel - 0.375” Metal Welding Practice Coupon - Steel Sheet - Bulk Discounts
Vendor:Warrenton Steel ShopRegular price From $12.00 USDRegular price$60.00 USDSale price From $12.00 USDSale -
6” x 6” x 1/8" Steel Shim Base Plate - A36 Hot Rolled Steel - 11ga Metal Welding Practice Coupon - 0.125” Steel - Bulk Discounts
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$25.00 USDSale price From $5.00 USDSale