As cars and trucks have become widely used all over the world,many customers are confused about how to choose the best material for our exhaust manifold.Dandong City Pengxin Machinery,as an industry standard,has 68 years of production experience,we will share our production experience and help you quickly become an expert in exhaust manifolds.

The main materials used for exhaust manifolds include gray cast iron, ductile iron, medium silicon molybdenum ductile iron, heat-resistant steel and stainless steel.Of course,different materials also come with different casting prices.Normally,the casting prices are arranged in the following order from low to high:gray cast iron<ductile iron<medium silicon molybdenum ductile iron<heat-resistant steel<stainless steel.If we only need to ensure the normal operation of the car engine,I suggest choose the gray cast iron or ductile iron,this is the most cost-effective material for manifold.Almost all car exhaust manifolds use this material,such as those from Volkswagen, Toyota, BMW and Mercedes-Benz, and so on.However,the majority of the customers come from Europe and the United States,they prefer to chooese the medium silicon molybdenum ductile iron,it can achieve the best matching with the turbocharger,Dandong Pengxin Machinery has also been supplying turbochargers to our customers for a long time.Some customers of modified racing cars will use aluminium materials for their exhaust manifold,this will reduce the weight of the racing car and maintain the efficient performance of the engine,we will use the gravity casting and shell casting to produce these aluminum exhaust manifold.

For heavy-duty trucks,we recommend choosing stainless steel or heat-resistant steel.Although the casting price is high,its service life is longer and more stable.As we know,maintaining efficient work and stability is of the utmost importance.Most factories can only produce three sections of assembled exhaust manifolds,this is because they have technical bottlenecks and the equipment is unable to meet the production requirements.According our experience,we will choose the investment casting to produce the stainless steel material then complete the assembly,this is the most common production method.In order to improve the performance of the exhaust manifold,we develop the whole manifold instead the assemble the exhaust manifold,investment casting cannot produce parts with a length exceeding 70 cm,but shell casting can achieve this.The most important need the shell-making machine has sufficient length.Fortunately,Dandong City Pengxin Machinery is capable of doing this.

Dandong City Pengxin Machinery can provide one-stop service for exhaust manifold,you only need provide the drawing or samples,our engineers will perform reverse engineering through scanning,of course,we can also redesign according to your requirements,this places very high demands on the engineers,they must have sufficient experience in both design and production.If you have any questions,please don't hesitate to contact us immediately,we will be one of your most professional partners.