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Superalloy Casting

Your Professional Superalloy 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.

Super Alloy Casting

The New Technology Research and Development Center of SRIF specializes in R&D of super alloy and

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Super Alloy Casting Pump Body

Our main products are impellers, blades, shells, shaped castings customized for aviation,

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Advantages of Superalloy Casting

01/

High-temperature Performance: Superalloys maintain their mechanical properties at elevated temperatures, making them ideal for applications involving extreme heat. This characteristic is crucial for components in gas turbines, jet engines, and other high-temperature environments.

02/

Superior Corrosion Resistance: Superalloys exhibit exceptional resistance to oxidation and corrosion, even in harsh chemical environments. This makes them suitable for use in chemical processing plants, marine applications, and oil and gas extraction equipment.

03/

Enhanced Mechanical Strength: The inherent strength of superalloys allows them to withstand significant mechanical stresses without deforming or failing. This is particularly beneficial in aerospace, automotive, and industrial applications where durability and reliability are paramount.

04/

Fatigue And Creep Resistance: Superalloys possess excellent resistance to fatigue and creep, ensuring long service life under cyclic loading and high-stress conditions. This property is essential for components that experience repeated thermal cycles and mechanical loads.

05/

Versatility In Design: Casting superalloys enables the production of complex geometries and intricate designs that might be challenging or impossible to achieve with other manufacturing methods. This flexibility is advantageous for creating custom components tailored to specific applications.

06/

Tailored Alloy Compositions: Superalloy compositions can be customized to meet specific performance requirements. By adjusting the alloying elements, properties such as hardness, strength, and corrosion resistance can be optimized for particular applications.

Application of Superalloy Casting

Aerospace

Turbine blades, exhaust systems, and structural components.

Power Generation

Turbine discs, combustor components, and heat exchangers.

Chemical Processing

Reactor vessels, piping, and fittings.

Oil and Gas

Drill collars, valve components, and pump parts.

Automotive

Turbocharger wheels and high-temperature engine components.

Properties of Superalloy Casting

Element	Composition range (weight %)	Purpose
Ni, Fe, Co	50-70%	These elements form the base matrix γ phase of the superalloy. Ni is necessary because it also forms γ' (Ni3Al). Fe and Co have higher melting points than Ni and offer solid solution strengthening. Fe is also much cheaper than Ni or Co.
Cr	5-20%	Cr is necessary for oxidation and corrosion resistance; it forms a protective oxide Cr2O3.
Al	0.5-6%	Al is the main γ' former. It also forms a protective oxide Al2O3, which provides oxidation resistance at higher temperature than Cr2O3.
Ti	1-4%	Ti forms γ'.
C	0.05-0.2%	MC and M23C6 (M ⁠= ⁠metal) carbides are the strengthening phase in the absence of γ'.
B,Zr	0-0.1%	Boron and zirconium provide strength to grain boundaries. This is not essential in single-crystal turbine blades, because there are no grain boundaries.
Nb	0-5%	Nb can form γ'', a strengthening phase at lower (below 700 °C) temperatures.
Re, W, Hf, Mo, Ta	1-10%	Refractory metals, added in small amounts for solid solution strengthening (and carbide formation). They are heavy, but have extremely high melting points.

Types of Superalloy Casting

Cobalt-Based Superalloys: A cobalt superalloy contains 50–60% cobalt mixed with 20–30% chromium and 5–10% tungsten. Cobalt alloys have a high fatigue life and higher strength than iron- and nickel-based superalloys in high-temperature applications. Due to their high corrosion resistance, they form some of the parts of a gas turbine that are exposed to the atmosphere.

Titanium-Based Superalloys: Titanium-based superalloys use titanium mixed with roughly 11% molybdenum which reduces the elastic modulus of the superalloy. A titanium-based superalloy’s unique property is its high hardness. Titanium-based superalloys find many applications in the aerospace and biomedical industry.

Niobium-Based Superalloys: Niobium-based superalloys are often made of niobium and nickel. Niobium-based superalloys have relatively low strength when compared to other nickel-based base alloys.

Method for Treating Superalloy Casting

A method for treating investment cast superalloy castings wherein the portions of the castings which solidify directly against the mold walls comprise a substantially continuous or encapsulating skin of a metallic and/or nonmetallic composition. In such castings, defects in the form of material voids, including defects present immediately beneath the skin, are eliminated by the application of heat and pressure. The castings are heated to temperatures sufficient to achieve metal movement in the form of yield or creep, and a pressure of at least about 10,000 psi is applied by means of a surrounding gaseous atmosphere.

The heat and pressure application deforms the material in the area of the voids and consolidates this material to substantially remove the voids and to thereby improve the performance characteristics of the castings. The encapsulating skin also serves as a protective coating during the hot isostatic pressing whereby contamination of the casting by elements such as oxygen or nitrogen in the furnace atmosphere is avoided, or drastically reduced. By eliminating surface defects and avoiding surface contamination, the investment castings are cast to substantially exact final dimensions since finishing operations are minimized.

Other Service of Superalloy Casting

Shipping	Air, Land, Sea
Packing	Carton Box, Plywood Cases
Payment term	L/C T/T (30%DEPOSIT)

FAQ

Q: What are the methods of superalloy production?

A: Many superalloys are produced using a two-phase heat treatment that creates a dispersion of cuboidal γ' particles known as the primary phase, with a fine dispersion between these known as secondary γ'.

Q: Which casting technique creates the strongest nickel-based superalloy turbine blades?

A: Nickel based superalloy blades are generally made using an investment casting process. A wax model is made, around which a ceramic is poured to make the mould. The wax is removed from the solid ceramic and molten metal poured in to fill the mould.

Q: What is the difference between an alloy and a superalloy?

A: A superalloy is an alloy that has enhanced properties when compared to a regular alloy. An alloy is a metallic material that is composed of two or more different elements, at least one of which is a metal (often, all the elements are metals).

Q: What is the melting point of nickel based superalloys?

A: Nickel superalloys resist creep so well they can be used at 850 °C, which is over 70% of their melting temperature (Tm = 1280 °C).

Q: What is the main application for single crystal superalloys?

A: Ni-based single crystal superalloys (SCs) are excellent high-temperature structural materials that have been extensively applied in the turbine blades of modern aero-engines.

Q: What are the properties of superalloys?

A: The unique properties of superalloys, including high strength, corrosion resistance, high-temperature stability, oxidation resistance, and creep resistance, make them indispensable materials in a wide range of industrial applications.

Q: Is Monel a superalloy?

A: Cupronickel is a metal superalloy that contains approximately 65-70% nickel, 20-29% copper, and 5% manganese.

Q: What are the properties of iron based superalloys?

A: Iron-based superalloys are characterized by high temperature as well as room-temperature strength and resistance to creep, oxidation, corrosion, and wear. Wear resistance increases with carbon content.

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

Super Alloy Casting Pump Body, Super Alloy Casting