BS EN ISO 13918:2018+A1:2021 - Page 2

Welding. Studs and ceramic ferrules for arc stud welding. | Status: Current

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 technique Type of stud a Symbol for studs Symbol 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.