Welding. Studs and ceramic ferrules for arc stud welding
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•
Published:
1 Scope
This document specifies the following:
— requirements for studs and ceramic ferrules for arc stud welding;
— dimensions, materials and mechanical properties.
Table 1 shows types of studs and the symbols for studs and ceramic ferrules that are covered
by this document.
Table 1
—
Types of studs and symbols for studs and ceramic ferrules
Welding techniqueType of stud
a
Symbol for studsSymbol for ceramic ferrules
Drawn arc stud welding with ceramic ferrule or shielding gas
Fully-threaded stud
FD
UF
Virtually fully-threaded studb
MD
MF
Partially threaded stud
PD
PF
Threaded stud with reduced shaft
RD
RF
Unthreaded stud
UD
UF
Insulation pin/nail
ND
UF
Stud with internal thread
ID
UF
Shear connector
SD
UF/DF
Short-cycle drawn arc stud welding
Threaded stud with flange
PS
—
Unthreaded stud
US
—
Stud with internal thread
IS
—
Stud welding with tip ignition
Threaded stud
PT
—
Unthreaded stud
UT
—
Stud with internal thread
IT
—
a
Further types of stud and ceramic ferrules can be specified as required for special
applications.
b
Also called MPF, stud with a nearly full thread and a minimum length of the unthreaded
part.