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Question:

What kind of paint does the red arc welding electrode add inside?

See the red welding electrode, don't know what is added inside?

Answer:

The red component is iron oxide. This kind of coating is mainly made of iron oxide and is called iron oxide electrode.
The red arc welding electrode is a special kind of nickel titanium oxidant, which is mainly used for stainless steel welding electrodes.Welding electrode is composed of two parts: core and coating composition. The electrode is coating in metal welding core (coating), uniform centripetal pressure applied to core. The electrode of different types, different cores. The core metal cored electrode, in order to ensure the quality and performance of the weld, there are strict rules on the contents of metal elements in the core, especially for harmful impurities (such as sulfur, phosphorus content, etc.) should be strictly restricted, better than the base metal.
What kind of paint does the red arc welding electrode add inside?:The red component is iron oxide. This kind of coating is mainly made of iron oxide and is called iron oxide electrode.

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