Aluminum Shavings/Turnings are generated from the use of metalworking machinery such as lathes and touret mills. Various aluminum series, such as 2000, 6000, and 7000, may be generated depending on the facility. There are two types of salable products: High-Grade Telic and Mixed Telic; these definitions vary by buyer. It is very important to visit the source and educate them on sorting this material to maximize the value.
Excess moisture from cutting fluid will lead to downgrades and rejections, so ensuring the turnings are dry before shipping is essential. To make certain steel turnings are not mixed in, run a magnet across this material from time to time.
Segregated alloy turnings can be worth more than HG Turnings; however, this is not always the case as the market conditions are constantly changing. As an example, 6000 turnings may be an upgrade, and 5000 series turnings may be undesirable.
You may find large chunks of aluminum mixed in with the turnings to upgrade as New Aluminum [Tough/Taboo] or 6061.
Telic Mixed Aluminum Borings and Turnings
Shall consist of clean, uncorroded aluminum borings and turnings of two or more alloys and subject to deductions for fines in excess of 3% through a 20 mesh screen and dirt, free iron, oil, moisture and all other non-metallic items. Material containing iron in excess of 10% and/or free magnesium or stainless steel or containing highly flammable cutting com- pounds will not constitute good delivery. To avoid dispute, material should be sold on basis of definite maximum zinc, tin and magnesium content.