The factors effecting aluminum gravity casting price

The main factors affecting the total cost of a gravity casting product are the complication level of the aluminum part itself, the material price variation, and the labor cost and the energy cost variation. Regarding the complication level of an aluminum gravity casting part, the essential consideration is its wall thickness, not only the minimum wall thickness but also its average wall thickness. Furthermore we still have to check out if the overall wall thickness is even or not. The economical wall thickness of a gravity cast part of normal size is between 3.5 mm and 4mm. Any part with wall thickness less than 4 mm or thicker than 10 mm can be more difficult to cast, then the cost will be increased correspondingly. Another factor involving wall thickness is its uniformity. A part with uneven wall thickness is hard to cast with leading to high rejection rate namely high cost.

Talking about the material price variation, generally it is quite transparent since it can be referred to almost all metal stock web sites where the instant material price is shown. Aluminum as the second richer metal resource and is truly abundant in earth shell. Though mining and refining electrolytic aluminum takes 4 times of energy which iron alloy mining and refining does, yet the aluminum alloy is always cheaper than some rare alloy such as copper alloy. Besides, aluminum alloy market price always keeps more steadier than other common industrial alloys such copper, iron and steel. Normally, the material cost takes half of the total cost of a raw aluminum sand casting or gravity cast product. Considering the high deflations rate China is now suffering, the material price is also increasing along with the general consumption price index. For exportation business,the material price is effected by the exchange rate as well. The constantly deprecating of US dollar against china Yuan get the aluminum material price much higher in USD.

Both aluminum sand casting and gravity casting are labor intensive job in very dirty and hot working environment. That is why the traditional green sand casting process and manual gravity casting process are almost going to be extinguished in developed countries, not only because the environment cost is high but also people are really unwilling to do such dirty and heavy job any longer; even in the developing countries like China, the young generation is unwilling to take such casting job as their career. The gradually extinguishing casting team is also the real employment status of china casting industry. Now in order to hire an skilled sand casting worker, the foundry has to pay nearly a month salary of 4000 RMB. The labor cost can occupy 30% of the total production cost of an aluminum gravity casting product.

the latest market price of gravity casting products

The price of an aluminum cast product includes its material cost, casting cost, machining cost, heat treatment cost, and the cost of post treatments like anodizing, painting, powder coating, impregnation and so on, and the packaging and transpiration cost. The market pierce we refer here only covers the material cost, and casting cost namely the price of raw casting. And it is always referred to its kilogram price. Based on the average price of aluminum electrolytic alloy of 16000RMB per ton, the market price of a raw casting can be 35RMB per kilogram.

There are several other processes can also be priced as per kilogram. For example, the heat treatment cost of aluminum gravity cast products can be around 6RMB per kilogram for parts with normal size. However for the parts with eccentric shape leading to large idle space, the heat treatment cost should be calculated according to how many pieces the quenching and aging furnace can handle at one time. Besides, the surface treatment cost is always calculated according to its surface area. And there is also market price can be referred.

aluminium gravity casting technique database of SXLH

  1. Gravity casting capacity of HH aluminium casting.
  2. Testing equipments for gravity casting
  3. Range of gravity casting made by HH aluminium casting
  4. Chemical and mechanical property of aluminium gravity casting
  5. China national designation of aluminium casting alloy
  6. Conversion sheet of aluminium casting alloy designation of various countries
  7. General tolerance of aluminium gravity casting

FAQ's of aluminium gravity casting

  1. What is aluminium gravity casting?
  2. What is the difference between green sand casting and gravity casting?
  3. How to choose aluminium gravity casting?
  4. How to choose desired casting between gravity casting and green sand casting?
  5. How many types of aluminium gravity casting?