Casting

Your Professional Casting Supplier

Our goal is to become your true partner in the field of aluminum alloy casting in China. SRIF is engaged in the R&D, promotion and production of new foundry materials, processes, techniques and equipment. The factory has accumulated rich manufacturing experience. Our company is committed to applying advanced manufacturing technology and strict quality control standards to every product. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

Why Choose Us

Product Application
SRIF specializes in the production of special steel castings, electro-slag remelting castings, aluminum alloy castings and so on. Our high-quality castings are widely applied in the development of airspace and aerospace equipment, and construction of hydraulic power stations at home and abroad. We boast a complete range of quality management systems.

Our Team
SRIF have are 519 employees at SRIF including over 200 technical staffers, 144 researchers and senior engineers, 124 doctors and masters, together with a number of foundry academic leaders.

Our Service
The company has a professional sales team to provide you with high-quality pre-sales consulting services. During the order production process, customers can communicate with us at any time to understand the production progress. At the same time, we provide high-quality after-sales service to meet the different needs of customers.

First 12 3 Last 1/3

Advantages of Casting

01/

Complex Shapes And Geometries: The casting process can create complex shapes and features with deatling. For example, internal channels and cavities, undercuts, thin walls, hollow sections, multi-part assemblies, asymmetric geometries, etc.

02/

Versatility In Materials: It can work with a variety of metals and alloys, ferrous and non-ferrous. Some examples include iron, steel, zinc, copper, aluminum, and lead alloys. Consequently, extensive material versatility gives the flexibility to choose the optimal material that fulfills the desired properties.

03/

Cost-effectiveness: Sand and other expandable mold casting are cost-effective for small volumes or prototypes. On the other hand, permanent die or mold casting methods are adaptable for large-scale manufacturing as one-time tooling costs can cover up to millions of cycles.

04/

Size Range: Any size of parts is castable, from a few hundred grams to 200+ tons. For example, a small motorcycle engine block to large to large steam turbine housing and base for industrial equipment.

05/

High Strength And Durability: The controlled cooling process to solidify the mold ensures uniform grain structure and maintains the same mechanical properties (strength and toughness) across all directions.

06/

Reduced Waste: The material waste from the sprue, intake gate, and runner can be reused in subsequent cycles or batches by re-melting them.

Application of Casting

Automotive Industry: The diversity of casting applications in the automotive industry can be seen from the fact that “ the die-cast method was initially invented to manufacture complex automotive zinc parts.”

Aerospace Industry: The casting methods can process lightweight materials like nickel-based super alloys, aluminum alloys, and magnesium alloys into complex aerospace components. Meanwhile, the controlled cooling and solidification enhance their properties.

Consumer Goods: The ability to make complex designs such as ornate decor, detailed kitchen utensils, and durable cookware makes it suitable for many consumer goods. Techniques like investment, die, lost foam and sand casting manufacture these items.

Industrial Equipment And Machinery: Casting manufacturing maintains the original properties of raw materials and can even increase them by adding fillers and additives. Consequently, sand, die, and other casting molds can shape high-strength and corrosion-resistant alloys like stainless steel, carbon alloys, and aluminum.

Medical Devices: The biocompatible materials chromium, titanium, zirconium, and titanium alloys can also be cast precisely using different techniques.

Energy Sector: The casting of high-strength materials like stainless steel, magnesium, aluminum, and zinc alloys can create components and products for the energy sector that withstand high stress and harsh chemical and environmental conditions.

Specifications for Casting

Dimension

Custom

Qualification

Mechanical properties as cast reach σb≥241MPa, δ≥1.5%.

Dimensional precision conforms to CT8 of HBG03-86

Casting Method

Low pressure casting

Precautions for Use Casting

Advanced simulation tools can predict potential defect areas and solidification patterns, allowing for preemptive adjustments. Use high-quality raw materials and ensure they are properly prepared and stored to reduce contamination.

Keeping casting machines and tools in optimal condition prevents operational faults that lead to defects. Skilled operators can identify and react to potential issues quickly, reducing the risk of defects. Regular inspections at various stages of the casting process help catch defects early.

Quality Tests of Casting

Visual Inspection

The first and most straightforward test to identify surface anomalies and shape accuracy.

X-ray Inspection

For detecting internal defects such as cracks and voids that are not visible externally.

Dye Penetrant Inspection

Useful for finding surface cracks by using a dye that enters the crack and is visible under UV light.

Tensile Test

Measures the strength of a cast sample by pulling it apart until it fractures.

Hardness Test

Assesses the hardness of the cast metal which correlates to its strength and resistance to wear.

Spectrographic Analysis

Ensures that the chemical composition of the cast material meets the specified standards for the intended application.

Casting Process

Pattern Making: This is one of the first steps and the most critical in the casting procedure. A pattern is the exact copy of an exterior casting. It’s typically made of wax or wood, and should take into consideration the final casting shape as well as the shrinking, solidification, and hardening of the casting material.

Mold Preparation: The next step in the production process is to prepare the mold. This is basically a cavity, into which molten steel will be poured. Sand is then pressed into place around the moulding pattern. The sand is bound together using clay, chemical binders or other binding agents.

Pouring: Pouring involves heating up the metal until the melts. It is then carefully poured into a mold. Pouring should be done carefully to avoid any defects. The molten steel should be held at the right temperature. This will ensure that it stays liquid until filling the mold.

Solidification: Solidification begins after the metal cools down. During the solidification process, metals undergo a phase transition from a state of liquid to one of solid. This phase involves shrinkage.

Ejection: After the metal solidifies, the sand-mold can be broken to remove the casting. This step may be challenging in some cases, such as when the casting is intricate and sand can become stuck in the passageways.

Cleaning and Inspection: Even after the casting is ejected the surface may still be covered by sand or have metal fragments attached. Cleaning involves removing the impurities from the surface and trimming off any excess metal.

Packaging and Shipping of Casting

Packing	Cardboard packaging+reinforced cardboard packaging placed on a pallet
Shipping	Air, Land, Sea

FAQ

Q: What is called casting?

A: Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. The solidified part is also known as a casting, which is ejected or broken out of the mold to complete the process.

Q: What is the casting process?

A: Casting processes involve the use of molten material, usually metal. This molten material is then poured into a mould cavity that takes the form of the finished part. The molten material then cools, with heat generally being extracted via the mould, until it solidifies into the desired shape.

Q: What are the 3 types of casting?

A: Mainly there are 3 Different Types of Casting processes. They are Die casting, Investment casting, and Sand casting. Each of them provides its own unique fabrication benefits. The casting manufacturing method is the process of pouring molten metal materials into a mold.

Q: What is the difference between casting and forging?

A: Casting is the process in which metal is heated in a furnace until molten. While in the liquid state, the metal is poured in a die, or mold, to create a component shape. Forging is the process in which thermal and mechanical energy is applied to ingots to cause the alloy to change shape while in a solid state.

Q: What is the difference between casting and foundry?

A: While casting refers to the actual process of pouring molten metal into a mold, foundry encompasses the entire process of producing metal castings, from designing and creating the mold to melting the metal.

Q: What is the difference between molding and casting?

A: Casting will typically involve metal, while molding focuses on plastics. In both cases, the melted material goes into a die or mold to create the final form.

Q: Is casting more expensive than forging?

A: Casting is generally less expensive than forging, primarily due to the fact that it requires less material and is a less complex process. In forging, a block of metal is heated and then shaped by applying pressure, often with the use of a die.

As one of the most professional casting manufacturers and suppliers in China, we're featured by premium investment castings with competitive price. Please rest assured to buy high quality customized casting from our factory. Contact us for quotation.

Electro slag Remelting Casting Guide Vanes, Large Ti Alloy Casting, Super Alloy Casting