WELDING ELECTRODE

In arc welding, a welding electrode is a consumable electrode that plays a central role in forming the weld. It acts like a metal filler rod that melts during the welding process, depositing molten metal to join the pieces of metal being welded. Here’s a closer look at the composition, functions, and different types of welding electrodes:

Composition:

Welding electrodes are typically made of metal or a combination of metals. The specific composition depends on the type of electrode and the material being welded. Here are some key components:

• Core Rod: The core rod forms the main body of the electrode and is the material that melts and deposits metal during welding. Common core rod materials include steel, stainless steel, nickel alloys, and aluminum.
• Flux Coating: Many electrodes have a coating or covering around the core rod. This flux coating performs several important functions:
  • Shields the Arc: The flux decomposes during welding, releasing gases that create a protective atmosphere around the arc. This shield prevents contamination of the weld pool by atmospheric gases like oxygen and nitrogen, which can weaken the weld.
  • Slags Formation: The flux also reacts and forms a slag layer on top of the molten metal. This slag protects the weld pool from oxidation and helps to refine the weld metal by removing impurities.
  • Stabilizes the Arc: Certain flux components can help stabilize the arc for smoother and more controlled welding.
  • Alloying Elements: Some fluxes contain alloying elements that are transferred to the weld metal to improve its properties like strength or corrosion resistance.

Functions of a Welding Electrode:

• Provides Filler Metal: The core rod melts and deposits filler metal to bridge the gap between the two pieces being joined.
• Shields the Weld Pool: The flux coating protects the molten weld pool from contamination by atmospheric gases.
• Contributes to Weld Properties: The flux composition and core rod material can influence the mechanical properties, corrosion resistance, and overall quality of the weld.

• E6013
• For welding normal carbon steel structure
• 5kgs Packing: one box

STOCK NO.	SIZE	KGS/CARTON	QTY./CARTON
44952	2.5x300mm	20kgs	4
44953	3.2x350mm	20kgs	4