6061T651 aluminum plate is an alloy composed of aluminum, magnesium and silicon as the main elements. Each element has a certain range of content, and the price of magnesium is high. Some manufacturers reduce the amount of magnesium to the minimum allowable amount in order to reduce the cost. Some even worse, the magnesium content is lower than the minimum allowable content. In addition, the factory added waste wires and waste aluminum aluminum pans in the alloy, which is basically not related to the 6061T651 aluminum plate. As a result, the mechanical strength of the aluminum profile is very low, and it can be as low as easy to bend with two hands and one bend, commonly known as "noodles". This is one of the reasons why aluminum profiles can be cheaper for a few thousand dollars.
Regular aluminum profile manufacturers have internal standards when formulating alloy components. Within the range of various elemental contents, each factory has their own smaller range of variation. The ratio between aluminum, magnesium and silicon is very strict. Each factory has its own data and keeps it confidential. If the alloy is made of qualified formula, the quality can be guaranteed, otherwise the quality will not be improved in the future.
Aluminum alloy melting furnace
How to use the 6061T651 aluminum plate to melt, what is the use of the furnace, which is also crucial, the domestically used furnaces have the level of the 40s, but also the level of the 1990s, the worst manufacturers use the original 坩 boiler. There are coal-burning, oil-burning, gas-fired and electrically heated melting furnaces. Some stoves have chimneys, and some have no chimneys. Generally used are square furnaces (rectangular furnaces), advanced ones are circular furnaces, and some circular furnaces can be inclined to pour aluminum water. On the tonnage of one ton, two tons, five tons, ten tons, twenty five tons and fifty tons of molten aluminum furnace. More advanced, add a static furnace under the aluminum melting furnace, the static furnace is important to prepare 6063 alloy, in which the slag can be degassed, allowed to stand, and then cast aluminum rod for extrusion. The quality of the alloys formulated in the original coal-fired furnaces and modern round furnaces is absolutely different. Generally, the furnace should have a chimney regardless of the fuel burned. Most of the waste gas generated from the combustion of the fuel can be discharged from the chimney. If no exhaust pipe waste gas is completely melted in the aluminum water, the aluminum rod for extrusion is cast, and there is a serious slag bubble inside, which is one of the reasons for the poor quality of the aluminum profile, which is one of the reasons for the low price of aluminum.
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