15-5 PH Stainless Steel 10.25″ x 9.50″ x 1.375″ Stainless Sheet – Plate – Bar 15-5 PH Stainless Steel 10.25″ x 9.50″ x 1.375″ (10-1/4″ x 9-1/2″ x 1-3/8″) Stainless Sheet – Plate – Bar.