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 studa 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.
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ISO 13918:2017/Amd 1:2018 history
2021ISO 13918:2017/Amd 1:2021 Welding — Studs and ceramic ferrules for arc stud welding — Amendment 1