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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2.5" x 8" x 1/4" Steel 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 -
3” x 3” x 3/16” Steel Shim Plate - 0.1875” Welding Practice Coupons - A36 Hot Rolled Carbon Steel Base Plate - Steel Sheet for Fabrication - Bulk Pricing Value Packs
Vendor:Warrenton Steel ShopRegular price From $3.00 USDRegular price$6.00 USDSale price From $3.00 USDSale -
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 - Steel Sheet
Vendor:Warrenton Steel ShopRegular price From $15.00 USDRegular price -
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 -
10” x 10” x 3/16” Carbon Steel Plate - A36 Hot Rolled Steel Post Base Plate - 0.1875” Steel Sheet for Fabrication and Welding Test Practice Coupons
Vendor:Warrenton Steel ShopRegular price From $20.00 USDRegular price$40.00 USDSale price From $20.00 USDSale -
2” x 6” Steel Shim Plate - A36 Hot Rolled Carbon Steel Plates - Welding Test Practice Coupons - Base Plate - 1/8” - 3/16” - 1/4” - 5/16” - 3/8” - 1/2” - 5/8” - Select Thickness
Vendor:Warrenton Steel ShopRegular price From $0.99 USDRegular price -
2” x 4” Steel Shim - A36 Hot Rolled Carbon Steel Welding Test Practice Coupon - Base Plate - 1/8” - 3/16” - 1/4” - 3/8” - 1/2” - 5/8” - Select Thickness
Vendor:Warrenton Steel ShopRegular price From $0.67 USDRegular price -
2” x 4” x 1/8” Steel Flat Shim Plate - A36 Hot Rolled Carbon Steel - 11ga Welding Test Practice Coupons Kit - 0.125” Flat Bar - Strip Plate for Welding Training - 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 3/8" Steel Shim Plates -A36 Hot Rolled - Welding Coupons - 0.375” Post Base Plates - Heavy Duty Steel Plate for Fabrication - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $5.00 USDRegular price$25.00 USDSale price From $5.00 USDSale -
3” x 3” x 3/8" Steel Shims Plates -A36 Hot Rolled - Weld test Practice Coupons - 0.375” Base Plate for Fabrication - Quantity Discounts
Vendor:Warrenton Steel ShopRegular price From $2.50 USDRegular price$12.50 USDSale price From $2.50 USDSale -
4" x 4" Steel Shim Plates - Variety Pack – 36 Piece - A36 Hot Rolled Plate - 1/8” & 1/4” Welding Practice Coupon Kit
Vendor:Warrenton Steel ShopRegular price $49.99 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