Standard

BS EN ISO 13918:2018+A1:2021

Welding. Studs and ceramic ferrules for arc stud welding

•

This document specifies the following:

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 stud^b	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.

Product Details

Descriptors

Arc welding

Mechanical properties of materials

Ferrules

Ceramics

Studs (fasteners)

Flanges

Shear connectors

Threadless fasteners

Conformity

Designations

Marking

Dimensions

Welding

Mass

Threaded fasteners

ICS Codes

21.060.10 Bolts, screws, studs

25.160.10 Welding processes

Committee

WEE/36

International relationships

Identical to:

ISO 13918:2017/Amd.1:2021

EN ISO 13918:2018/A1:2021

ISBN

978 0 539 15780 2

Publisher

BSI