Steel. copper and its alloy, aluminium and its alloy, galvanized steel.
钢与铜及铜合金、铝及铝合金、镀锌钢板、镀锡钢板等组合件。
2
Copper is the principal alloying element of aluminiumalloy. Accurate and quick determination of its content is very important for research and production of aluminum alloy.
铜是铝合金中的主要合金元素，准确、快速测定其含量对科研与生产具有重要意义。
3
Our material can be carbon steel , alloy steel , stainless steel , copper and aluminium.