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 Shim Plate - A36 Welding Coupons - 0.25” Base Plates - Heavy Duty Hot Rolled Carbon Steel for Fabrication - Bulk Discount Value Packs
Vendor:Warrenton Steel ShopRegular price From $2.00 USDRegular price$4.00 USDSale price From $2.00 USDSale -
3" x 3" x 1/8" Steel Shims - Post 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 -
Steel Welding Practice Coupons 20 Pounds - Random Lengths and Sizes - A36 Steel Weld Kit
Vendor:Warrenton Steel ShopRegular price $22.99 USDRegular price -
2" x 2" Steel Shim Plates - A36 Hot Rolled Steel - 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 price -
4" x 4" x 1/8" Carbon Steel Shim Base Plate - 11ga Welding Test Training Practice Coupons - A36 Hot Rolled 0.125” Steel Plate - Bulk Discounts Value Packs
Vendor:Warrenton Steel ShopRegular price From $1.25 USDRegular price$7.50 USDSale price From $1.25 USDSale -
6" x 6" x 1/4" Steel Base Plates - Welding Practice - A36 Hot Rolled 0.25” Steel Shim Plate Sheet - Heavy Duty Carbon Steel for Fabrication - Bulk Discount Value Packs
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$10.00 USDSale price From $5.00 USDSale -
2” x 1/8” Steel Flat Bar - A36 Hot Rolled Carbon Steel Plate Strip 11ga - By The Inch - 0.125” Welding Test Practice Coupons - Steel Plate For Fabrication - Flat Stock - Steel Flats - Bar Stock
Vendor:Warrenton Steel ShopRegular price From $0.50 USDRegular price -
5” x 5” x 1/8" Steel Shims Plates - A36 Hot Rolled 11ga Post Base Plate - 0.125” Steel for Fabrication - Welding Practice - Bulk Discounts
Vendor:Warrenton Steel ShopRegular price From $3.00 USDRegular price$15.00 USDSale price From $3.00 USDSale -
12" x 12" x 1/8" Steel Plate - A36 Hot Rolled Carbon Steel - 11ga Post Base Plates - Welding Practice - 0.125” Steel Sheets for Fabrication - Quantity Discount Value Packs
Vendor:Warrenton Steel ShopRegular price From $20.00 USDRegular price$40.00 USDSale price From $20.00 USDSale -
5" x 7" x 1/4" Steel Shim Base Plate- A35 Hot Rolled Steel - Welding Practice Coupon
Vendor:Warrenton Steel ShopRegular price From $9.99 USDRegular price$19.98 USDSale price From $9.99 USDSale -
2 Carbon Steel Plates 6" x 6" x 1/4" Plate - Pack of 2 Base plates - A36 Welding Test Practice Coupons - Hot Rolled 0.25” Steel Sheets
Vendor:Warrenton Steel ShopRegular price $8.99 USDRegular price -
6 Weld Practice Plates - 11ga Welding Test Training - A36 Hot Rolled Carbon Steel Coupons 4" x 4" x 1/8" Base Plate Shims - 0.125” Steel Sheets for Fabrication
Vendor:Warrenton Steel ShopRegular price $5.99 USDRegular price -
12” x 12” x 1/4” Steel Plate - A36 Hot Rolled Carbon Steel Base Plates - 1’ x 1’ x 0.25” Steel Sheets for Fabrication - 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” Welding Practice Coupon - Steel Sheet for Fabrication - 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 Welding Practice Coupon - 0.125” Steel for Fabrication - Bulk Discounts
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$25.00 USDSale price From $5.00 USDSale -
4" x 6" x 1/4" Steel Shims - Post Base Plate – A36 Hot Rolled - 0.25” Welding Test Practice Coupons - Heavy Duty Bare Carbon Steel for Fabrication - Bulk Pricing Value Packs
Vendor:Warrenton Steel ShopRegular price From $6.00 USDRegular price$0.00 USDSale price From $6.00 USD