Drawing Welding Symbols Chart
The drawing will show two points like an x and a y for example between sections needing welding.
Drawing welding symbols chart. Finally there s a tail at the opposite end of the reference line that forks off in two directions. Back to menu basic weld symbols. The welding symbol has an arrow which points to the location on the drawing where a weld is required. Consumable insert entirely around symbol on base platform weld.
Resistance spot and resistance seam weld symbols may be placed directly at the locations of the desired welds fig. Download the autocad dwg file of the weld symbols chart. An arrow line 2. Weld symbol on symbol base platform weld.
In older drawings a field weld may be denoted by a filled black circle at the junction between the arrow and the reference line. An explanation of the basic welding symbols with charts google docs author. The weld symbol gives you information of the type of weld and is usually a part of the welding symbol. Name weld between points weld on site staggered symbol symbol on base platform no.
We have divided the symbols into four major sections for quick reference. A weld symbol without a flag indicates that the weld is to be made in the shop. In the following chart you can see the basic aws weld symbols groove symbols and also supplementary weld symbols. The arrows of the symbol between the two letters indicate that a weld needs to run the full length between the two marks.
Elements of welding symbols types of weld supplementary symbols complementary symbols and dimensioning symbols. Use of inch degree and pound marks. Weld symbols except resistance spot and resistance seam must be shown only on the welding symbol reference line and not on the lines of the drawing. Standard drawing symbols abbreviations graphical representation oten revised edition 1981.
The weld symbol is placed above the reference line of the welding symbol. The open circle at the arrow reference line junction is present if the weld is to go all around the joint as in the example below. The arrow is attached to a leader line that intersects with a horizontal reference line. Welding being such a wide field it is difficult to cover all the symbols that are used in welding drawings.
A reference line 3. When identification of the weld process is required as part of the weld symbol the relevant weld process code is listed in bs en iso 4063. We have covered the basic symbols in this sciencestruck article. Drawing page drawing of weld symbols standards the british standard for weld symbols is bs en 22553.