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Our 3/8" A36 beveled welding test plates and backing bars are engineered to give welders a faster, more consistent way to train and qualify. Each plate coupon features consistent geometry for predictable results in bend tests, training, and code‑driven procedures so welders can focus on technique instead of material prep.

Combo box (Qty: 14, 7) includes :

(14) Test Plates: 3/8″ x 7″ x 4″ beveled both 7″ sides 22.5deg KE; A36
(7) Backing Bars: 1/4″ x 1″ x 9″; A36
Price is per box.

Combo box (Qty: 100, 50) includes :

(100) Test Plates: 3/8″ x 7″ x 4″ beveled both 7″ sides 22.5deg KE; A36
(50) Backing Bars: 1/4″ x 1″ x 9″; A36

Price is per pallet and shipping costs will calculate at checkout.

Combo box (Qty: 500, 250) includes :

(500) Test Plates: 3/8″ x 7″ x 4″ beveled both 7″ sides 22.5deg KE; A36
(250) Backing Bars: 1/4″ x 1″ x 9″; A36

Price is per pallet and shipping costs will calculate at checkout.

A36 Steel Plate Coupons

3/8" w/ 22.5 Deg. Bevel & Backing Combo A36

3/8" w/ 37.5 Deg. Bevel & Backing Combo A36