Consumable Packaging Unit
Filler metal packaging unit: moisture-tight sealing of welding consumables in spools, drums, or cans to avoid the need for re-drying before use.
Physical-Chemical Mechanism of Action
The filler metal packaging unit is a special seal that keeps welding consumables in a humid environment. It prevents the metal from oxidizing or mixing with air, which could lead to losses of carbon and other elements.
Metallurgical Relevance & Welding Risks
Without a moisture-tight seal, welding consumables can oxidize heavily or change their chemical properties before use. This can lead to insufficient filler metal supply, which impairs weld quality and can cause cracks or weak points in the joint.
Workshop Practice & Instructions
Always use moisture-tight sealed filler metal packaging units. Store spools, drums, or cans in a dry, cool place to ensure consistent moisture. Avoid direct contact with air and process the consumables as soon as possible after opening the package.