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The "17, 18 Series Alumina Cup #5 5/16" 10N49" is a specialized welding accessory meticulously engineered to enhance precision and performance in TIG (Tungsten Inert Gas) welding processes. As part of the 17 and 18 series, this alumina cup plays a pivotal role in a TIG welding torch setup.

Key Features:

  1. Alumina Construction: This cup is meticulously crafted from high-quality alumina ceramic material. Alumina is renowned for its exceptional resistance to high temperatures and electrical insulating properties, making it a superb choice for demanding welding applications.

  2. Cup Size: The "#5" designation signifies that this cup is of medium size, offering a balanced coverage area for shielding gas. The "5/16"" measurement represents the inner diameter of the cup, a key factor in controlling and directing the flow of shielding gas around the welding area.

  3. Precision Shielding Gas Flow: The primary role of the alumina cup in TIG welding is to control and direct the flow of shielding gas, typically argon or helium, around the welding arc. Proper shielding gas coverage is essential to prevent contamination and ensure clean, high-quality welds.

  4. Compatibility: This specific alumina cup is designed to be fully compatible with the 17 and 18 series TIG welding torches. It is crucial to ensure compatibility with your specific torch model to ensure a proper fit.

  5. Durability: Alumina cups are renowned for their durability and their ability to withstand the extreme temperatures generated during TIG welding. They maintain their structural integrity even during prolonged welding sessions.

  6. Welding Precision: The use of the correct cup size and type significantly contributes to welding precision, allowing welders to create precise and clean welds on various materials, including stainless steel, aluminum, and more.

  7. Versatility: Whether you're a professional welder or an enthusiastic DIYer, this alumina cup is versatile and suitable for a wide range of TIG welding applications. It is a valuable tool for projects of varying sizes and complexities, offering a balanced gas coverage area.


The "17, 18 Series Alumina Cup #5 5/16" 10N49" is a specialized welding accessory meticulously engineered to enhance precision and performance in TIG (Tungsten Inert Gas) welding processes. As part of the 17 and 18 series, this alumina cup plays a pivotal role in a TIG welding torch setup.

Key Features:

  1. Alumina Construction: This cup is meticulously crafted from high-quality alumina ceramic material. Alumina is renowned for its exceptional resistance to high temperatures and electrical insulating properties, making it a superb choice for demanding welding applications.

  2. Cup Size: The "#5" designation signifies that this cup is of medium size, offering a balanced coverage area for shielding gas. The "5/16"" measurement represents the inner diameter of the cup, a key factor in controlling and directing the flow of shielding gas around the welding area.

  3. Precision Shielding Gas Flow: The primary role of the alumina cup in TIG welding is to control and direct the flow of shielding gas, typically argon or helium, around the welding arc. Proper shielding gas coverage is essential to prevent contamination and ensure clean, high-quality welds.

  4. Compatibility: This specific alumina cup is designed to be fully compatible with the 17 and 18 series TIG welding torches. It is crucial to ensure compatibility with your specific torch model to ensure a proper fit.

  5. Durability: Alumina cups are renowned for their durability and their ability to withstand the extreme temperatures generated during TIG welding. They maintain their structural integrity even during prolonged welding sessions.

  6. Welding Precision: The use of the correct cup size and type significantly contributes to welding precision, allowing welders to create precise and clean welds on various materials, including stainless steel, aluminum, and more.

  7. Versatility: Whether you're a professional welder or an enthusiastic DIYer, this alumina cup is versatile and suitable for a wide range of TIG welding applications. It is a valuable tool for projects of varying sizes and complexities, offering a balanced gas coverage area.


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