![]() And the welding symbol may point to any one of them as shown below.Ĭonsider below an example of the ‘ T joint‘ shown below, the weld can be on any side of the welding joint or it can be on both sides. We usually notice in fabrication drawings that there can be a weld on two sides of the welding joint. The meaning of arrow and other side refers to the weld placement as indicated by the arrow-line of the welding symbol. The placement of these weld symbols on the reference line further elaborates on the welding directions- Arrow side, or Other side, as explained further in this post. Here, you can notice that the AWS A2.4 uses only one solid reference line while the ISO 2553 uses two horizontal reference lines- solid & dotted.Īll the weld symbols, weld sizes, pitch, and weld length are placed on the reference line part of the welding symbol. In this example, a weld symbol reference line comparison is given for ISO 2553 Standard & AWS A2.4 standard welding symbols. The tail of a welding symbol if used is connected to the other end of the reference line as shown in the below picture. This horizontal line is called Reference Line. The welding symbols are placed on a horizontal line that is connected to the arrow line pointed at the place of the weld.
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