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High Heat Resistant Steel Exhaust Manifold Investment Casting Process for B2B Buyers

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Henan Beitejia Machinery Manufacturing Co., Ltd.

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High Heat Resistant Steel Exhaust Manifold Investment Casting Process for B2B Buyers

Place of Origin : Henan, China

Brand Name : XME

Model Number : Non-Standard

Process : Silica Sol Investment Casting

Material : Stainless Steel / Heat Resistant Steel

MOQ : 1000 pieces

Price : $50.00/pieces >=1000 pieces

Delivery Time : within 30 days

Payment Terms : T/T, L/C, D/P D/A, Cash

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Product Description

The exhaust manifold, as a critical component of a car engine, directly impacts the engine's performance, lifespan, and environmental characteristics. During operation, the exhaust manifold endures cyclical thermal shocks and operates continuously at high temperatures, making its working conditions extremely harsh. Therefore, the material used for the exhaust manifold must have excellent high-temperature resistance and thermal fatigue performance. With the continuous advancement of engine technology, exhaust temperatures have gradually increased, leading to the development of materials used for exhaust manifolds from gray cast iron, ductile cast iron, vermicular graphite cast iron, silicon-molybdenum ductile iron, to high-nickel austenitic ductile iron. Currently, silicon-molybdenum ductile iron and high-nickel austenitic ductile iron are commonly used.

With the adoption of direct fuel injection and turbocharging technologies, engine exhaust temperatures have reached 950°C, and even up to 1100°C. Silicon-molybdenum ductile iron and high-nickel ductile iron are no longer able to meet these engine operating conditions. Our technical team has actively improved the casting process, successfully achieving mass production of heat-resistant cast steel exhaust manifolds. Our heat-resistant cast steel exhaust manifolds exhibit excellent overall mechanical properties, with a significantly reduced part wall thickness (in some cases, the exhaust manifold wall thickness is reduced to 3mm), thus contributing to vehicle lightweighting. Additionally, compared to high-nickel austenitic ductile iron, austenitic heat-resistant cast steel requires less of the expensive metal nickel, significantly reducing material costs and offering a greater price advantage.

High Heat Resistant Steel Exhaust Manifold Investment Casting Process for B2B Buyers

XINLONG MACHINERY & EQUIPMENT CO.,LTD

We are experts in investment casting and one of China's leading manufacturers of stainless steel precision castings. Our factory is equipped with three precision casting lines, utilizing both medium and low-temperature wax processes, and a machining workshop, with an annual production capacity of up to 7,000 tons of castings. To enhance our core technological competitiveness, we have consistently focused on increasing the automation level of our production equipment. The casting workshop features fully automated wax injection machines, a wax injection process group control system, automated shell-making robots, and an automatic temperature and humidity control system for the drying chambers. Our technical team has also independently designed a computerized batching system, equipped with a subcontracted pouring robotic arm and a large-scale shell-breaking robotic arm. Through continuous technological upgrades, our investment castings can reach a maximum weight of 300kg.

Maximum single-piece weight	300 Kg
Surface quality	≤Ra6.3, and after special processing, ≤Ra3.2
Rapid manufacturing capability	Equipped with powder sintering laser rapid prototyping machines and stereolithography rapid prototyping machines, we can quickly produce samples and small batches of products.
Vacuum casting capability	Equipped with a vacuum melting furnace, we can produce nickel-based and cobalt-based alloys, with a product weight range of 0.001 to 25 kg.

Wax injection

Shell building

Dewaxing

Pouring

Heat Treatment

Vacuum furnace melting

Quality Assurance

Quality Control and Standards

All our products would have quality control systems conforming to ISO9001:2015 quality control systems. Continuing statistical process control and process capability improvement would be applied for all products manufacturing process. Our commitment and continuous effort would be to improve product quality.

Process of Chemical Analysis

1.In house spectrometer with 24 channels capable of testing Fe, Ni, Co, Al based materials and also Nitrogen content.
2.All heats poured are tested on-line on Spectrometer.
3.All the scrap used are also tested before using.
4.Specimens are stored for particular period.

Metallurgical microscope

A Spetrometer

Magnet-powder flaw detector

Process of Physical Testing

1.In house Universal Testing Machine.
2.In house Hardness Testing Machine.
3.In house Impact Testing Machine.

Impact testing machine

Universal Testing Machine

Hardness Testing Machine

Various Test to be provided

Chemical Analysis, Tensile Test, Impact Test, Radiography (X-Ray), Dye Penetrate, Corrosion Test, MPT Test, Microstructure.

Exhibition&Events

In conclusion, we would like to mention here that, we are well equipped technically and commercially to render our services to you. If you provide us an opportunity to serve your esteemed organization with your valued enquiries/orders, we will convert you to our long lasting customer

Packing & Delivery

Our products are all packed in wooden cases to ensure zero damage. If customers have specific requirements for the packaging, we will gladly accommodate. The products will be sent to you within 30 days and we will arrange everything from the initial consultation to the delivery of your chosen port anywhere the world.

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