Could you tell me how to calculate the value of aluminum material? By weight or by length or by other means?
By weight, like steel.Different materials of aluminum and aluminum prices are different, different shapes of the price is not the same.
According to the weight calculation, international trade every day aluminum prices refresh, at this stage in 17 thousand tons, finished to calculate the cost of processing, such as: Aluminum Alloy window, this is an aluminum extrusion, extrusion processing costs to add 4500 tons.
By weight, but we should note that the market is now sub national standards, non-standard more than two kinds of weight profiles sold.
