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How many types of welding electrodes does a welder use?

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khunwan
How many types of welding electrodes does a welder use?

Welding wire is the primary material used by welders to work in the field of metal welding. Make 2 metal workpieces melt together into one piece. Liquid metal water formed by welding electrodes Making the workpiece next to each other strong and able to bear the force And can hold the image Welder and general welding electrodes must be familiar. "But how many types of welding electrodes are there?"

Welding electrodes can be divided into 6 main types:

1.Covered Welding Electrode
Is a welding wire ลวดเชื่อม on the outside, there is a coating of Flux (Flux) that looks like incense Inside is a metal wire. There are many types of metal wires, such as iron wire and stainless steel welding wire You can choose to use to suit the type of work you want to weld. It is a very popular welding electrode in use among welders. Equipment and welding wires are inexpensive. There are many sizes to choose from, ranging from 2.0, 2.6, 3.2, 4.0 and 5.0.

2.Flux Cored Wire
It is a metal wire in a coil. The wire has a hollow core filled with a compound inside the wire. Unlike welding electrodes (Welding Electrode), the masking substance is located outside the welding wire. Flux Cored Wire is quite expensive. But with high efficiency Fast and beautiful welding

3.MIG / MAG) or CO2 Welding Wire (MIG Welding Wire).
It is a bare metal welding wire. The shell has no outer covering. Roll The advantage is that it is welded quickly. Must use CO2, Co2 gas (carbon dioxide) to cover, used in general steel fabrication industries. Automotive industry And general structural work

4.Tig Welding Rod
It is a bare welding electrode that looks like a mick welding wire. But will be in a straight line Each line is approximately 1 meter long. It is commonly used for fine welding work. They are available in steel, aluminum, stainless steel (308L, 309L, 310L, 316L), brass and other metals.

5.Gouging Electrode
It is a special type of round welding wire ลวดเชื่อม . For metal grooving, metal cutting, removing poorly welded metal from the workpiece. And can be used to clean the weld for preparing the workpiece before welding Using an electric welding machine

6.Special welding wire
The welding electrodes are grouped for specific applications such as high tensile welding electrodes, hard coated welding electrodes, inconel welding electrodes, aluminum electrodes, nickel alloy electrodes, electrodes. Copper and brazing wire etc.

The above is the type of welding electrode used by the welder to work. Classified by welding type and usage It is information that people interested in welding work. It should be studied carefully before choosing to use it properly. And suitable for the job

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