Performance differences between silver welding rods and ordinary welding rods and their selection guide

　　There are significant differences in performance between silver welding rods and ordinary welding rods. Understanding these differences is the key to choosing the right welding material. The following is a detailed analysis and provides a selection guide.

　　In terms of welding temperature, the melting point of silver welding rods is low, generally between 600-800℃, while the melting point of ordinary steel welding rods is usually above 1500℃. The low melting point allows silver welding rods to reduce thermal damage to the base material, and is suitable for welding thermally sensitive materials; ordinary welding rods are more suitable for welding heavy parts with low thermal impact requirements.

　　In terms of conductive properties, silver welding rods are far better than ordinary welding rods. The high conductivity of silver makes the joint resistance of silver welding rod welding extremely low, which is a choice in the electrical and electronic fields; the electrical conductivity of ordinary welding rod welding joints is poor, and it is mainly used in scenarios where structural connections rather than conductive requirements.

　In terms of welding strength and sealing, silver welding rod welding joints have high strength and good sealing properties, and can withstand certain pressure and media corrosion. They are suitable for welding with sealing requirements such as pipes and containers; ordinary welding rods are slightly inferior in sealing properties, and are more suitable for the connection of general structural parts.

When choosing, silver welding rods are preferred if they involve precise parts, high conductivity requirements or sealing needs; if they are only used for ordinary structural connections and have limited budgets, ordinary welding rods are more economical.