How do you specify a weld?

How do you specify a weld? A groove-weld symbol may be added to a welding symbol, below the reference line, to specify a weld only on the “arrow side” of the joint (single weld); above

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How do you specify a weld?

A groove-weld symbol may be added to a welding symbol, below the reference line, to specify a weld only on the “arrow side” of the joint (single weld); above the reference line, to specify a weld only on the “other side” of the joint (also a single weld); or weld symbols may be added both below and above the reference …

What is the shape of weld finish symbols?

The specification to weld all around requires that the weld be made to encapsulate the entire joint. In the case of a circular joint, the weld all around symbol is not required. The weld all around symbol consists of a circle that is placed over the intersection where the end of the reference line meets the arrow.

What does R mean in welding symbol?

When a backing bar is used to achieve complete joint penetration, its symbol is placed across the reference line from the basic weld symbol. If the bar is to be removed after the weld is complete, an “R” is placed within the backing bar symbol.

What is a CJP weld?

The Complete Joint Penetration (CJP) groove weld is a groove weld that extends completely through the thickness of components joined. The primary purpose for the use of the CJP groove welds is to transmit the full load-carrying capacity of the structural components they join.

What are the basic Weld symbols?

The welding symbol is a small drawing and is interpreted as a cross section of the weld. The most common basic symbols to learn include Bead, fillet, Plug or slot, Groove or butt. The groove or butt is categorized into square, V, Bevel, U, J, Flare V, Flare bevel. It takes time to learn all these symbols and the types they represent.

What is the symbol for a weld?

A basic weld symbol consists of three parts namely; Arrow Line: Arrow indicates the position of the joint. The arrow points to one side of the joint. This is called the ARROW SIDE and the side other than the arrow side is called the OTHER SIDE.

What does welding symbol mean?

A welding symbol is the entire image as it appears on a plan. It includes information such as a reference line, an arrow, weld dimensions, notes, as well as the weld symbol. A weld symbol is a single element that is part of a welding symbol. It indicates what type of weld is to be applied to the joint.

What is a plug Weld symbol?

“Plug or slot weld” symbol is a rectangle on the weld arrow. “Spot or projection” is a circle, either tangent to the weld arrow or centered on the weld arrow when there is no “side” significance. From “Standard Symbols for Welding, Brazing and Nondestructive Examination “.