Welding and allied processes — Symbolic representation on
What is the symbol for welding?
The assembled "welding symbol" consists of the following eight elements, or any of these elements as necessary: reference line, arrow, basic weld symbols, dimensions and other data, supplementary symbols, finish symbols, tail, and specification, process, or other reference.
What is the symbolic representation of fillet weld?
The fillet weld symbol is a right triangle placed on the reference line with the perpendicular leg always on the left.
What is the ISO standard for welding symbols?
ISO 2553, Welding and allied processes – Symbolic representation on drawings – Welded joints, combines both systems and is the key industry International Standard for welding symbols.
- The symbol is placed either above or beneath the reference line as per the following regu- lation: It is placed on the continuous side of the reference line, if the weld (weld face) is on the arrow side of the joint or on the dashed line side, if the weld is on the other side of the joint, as shown in Fig.
This document defines the rules to be applied for symbolic representation of welded joints on technical drawings. This can include information about the geometry, manufacture, quality and testing of the welds. The principles of this document can also be applied to soldered and brazed joints.