TSA-78 TSI-78 Welding Size 7/8" Dia. x 5/8" High (22 mm Dia. x 16 mm High) 7/8" Dia x 5/8 " High (22 mm Dia. x 16 mm High) Material Chromium carbide in an alloyed iron matrix, molybdenum modified. Chromium carbide in an alloyed iron matrix. Hardness Rockwell C 50-55 Rockwell C 55-60 Ductility 13% to 15% (in compression) 1% to 3% (in compression) Features Very good abrasion resistance combined with very good impact resistance. Designed for applications that allow use of higher profile. Excellent abrasion resistance combined with good impact resistance. Designed for applications that allow use of higher profile. Welding Parameters Preheating None required. Minimal during cold weather operations to remove condensation. Capability Horizontal, vertical. Power/Timer 1200 to 1400 amps/0.9 to 1.1 seconds. Application Rate Up to 250 TUFFSTUDDS/h; coverage up to 4 ft2/h (0.4 m2/h). Spacing For normal abrasive conditions, install in a close packed staggered pattern with about 65 TUFFSTUDDS per square foot (700/m2). For severe abrasive conditions, install in a close packed staggered pattern with about 80 TUFFSTUDDS per square foot (860/m2). More open spacing is not recommended for most applications. Packaging Carton Size pallet Quantity 100 TUFFSTUDDS complete with ceramic ferrules. Small pallet box of 500 TUFFSTUDDS - 70 lbs (32 kg) Large pallet box of 5000 TUFFSTUDDS - 700 lbs (318 kg) Minimum Order 500 TUFFSTUDDS The specifications contained herein represent our good faith expectation, based on past experience and our best estimate, of the qualities these products will have if ordered by a customer. If the product actually delivered does not substantially meet these specifications, we will replace it. In no circumstance, however, will our liability exceed such cost of replacement and specifically, we shall not be responsible for consequential damages.