SERIES 78 SPECIFICATIONS
7/8" Base Diameter
SERIES NUMBER TSA-78
A Series Alloy
TSI-78
I Series Alloy
WELDING SIZE 7/8" dia. x 5/8" high (AW)
(22 mm dia. x 16 mm high)
7/8" dia. x 5/8" high (AW)
(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 48-52 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 (sidehand)
POWER/TIMER 1200 to 1400 amps/0.9 to 1.1 seconds
APPLICATION RATE Up to 250 Tuffstudds per hour; coverage up to 4ft2 per hour (0.4 m2/h)
SPACING For normal abrasive conditions, install in a close packed staggered pattern with about 70 Tuffstudds per square foot (700/m2). For severe abrasive conditions, install in a close packed staggered pattern with about 76 Tuffstudds per square foot (860/m2). More open spacing is not recommended for most applications.
PACKAGING
CARTON SIZE 250 Tuffstudds complete with ceramic ferrules