Aluminium scrap are avaiable in various quality and forms; they are identified by trading names...
The scrap copper are available in various types, identified by trade names (different from country to...
Aluminium alloys are traded on London Metal Exchange (LME) and its contract is conforming to...
High Grade primary aluminium is quoted on London Metal Exchange (LME). Its contract specifies a...
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The silicon metal is different in different types: 99.99, 99,999, 99.9999, 2202, 3303, 411, 421, 441 and 553. As with most types silicon are commercially known as "high grade" or "high purity", the others are defined as "standard".
The scrap aluminium scrap silicon are usually a high percentage of silicon. This category includes all the die-silicon alloys: wheel rims, smudging, refuse to die, etc..