8 Key Metals Used in Casting - Eagle Group Blog

Jul. 28, 2025

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8 Key Metals Used in Casting - Eagle Group Blog

We're here to talk about METAL

No, not that kind of metal–actual metal, like the kind that your car is made out of, that replaced your uncle's bad knee, that holds up the skyscrapers downtown, that keeps cruise ships afloat, that built the rocket that catapulted the telecom satellite into space so you can have an internet connection, that makes up that satellite...

Cencho are exported all over the world and different industries with quality first. Our belief is to provide our customers with more and better high value-added products. Let's create a better future together.

A lot of things are made out of metal. You get the idea.

What Is Metal?

Good question! The answer is fairly simple, even if you don't know much about chemistry. Any substance that meets the definition of metal exhibits four distinct properties:

Metals have a shiny appearance (unless they're dirty or rusty)
Metals conduct both electricity and heat
Metals are malleable, meaning they can bend without breaking
Metals can combine with other metals to create alloys

Here, we're going to discuss some of the most common metals used in metalcasting and machining. Different cast parts have different requirements. For example, some need to be as strong as possible, while others need to be as light as possible. The right metal for one part might not be the right metal for another, so it's important to know your options before buying cast parts. Once you choose a metal casting supplier, they can work with you to further determine the optimal material to use in your casting.

To get started, here is an overview of the eight most common metals used in manufacturing today.

Gray Iron
White Iron
Ductile Iron
Stainless Steel
Carbon Steel
Copper-Based Alloy
Nickel-Based Alloy
Aluminum Alloy

Gray Iron

Depending on the class of gray iron, different levels of machinability and strength can be achieved. Softer, more machinable gray iron can have tensile strengths as low as 20,000 psi. Tougher, less machinable iron can have tensile strengths three times higher.

White Iron

White Iron is known for its excellent wear resistance. Certain types of white iron have high levels of chromium or other alloys to enhance performance in high-temperature environments, or to provide corrosion resistance.

Ductile Iron

Ductile iron also ranges in strength and possesses a higher tensile strength than gray iron. This wide range of strengths allows ductile iron to serve a wide variety of markets.

Stainless Steel

Stainless steel is the classification of steel that contains a chromium content of 10.5% or higher. It’s best known for its corrosion resistance and also offers a high level of toughness. Higher levels of corrosion resistance can be reached using higher levels of chromium and molybdenum. Drawbacks to stainless steel include its lower level of machinability and medium tensile strength. These properties make stainless steel a great option for parts in oxidizing or corrosive environments.

Carbon Steel

Carbon steel has virtually no alloying elements. As a result, carbon steel offers very high level of machinability and weldability, while maintaining a high level of toughness.

Alloy steel is created by adding elements to carbon steel. These elements can include: manganese, nickel, molybdenum, silicon, vanadium, chromium, boron and titanium. Generally speaking, alloy steels have improved tensile strength, hardness and wear resistance, but sacrifice some weldability and toughness.

Copper-Based Alloy

Copper-based alloys, in general, have a high level of corrosion resistance which can make these metals a great choice for long-term cost efficiency. Apart from that, the properties are dependent on what other elements are in the end combination. One of the most popular copper-based alloys is brass, which is a made up of copper and zinc as well as bronze–which is itself an alloy, generally made up of copper and tin and/or lead.

Nickel-Based Alloy

Nickel-based alloys have excellent corrosion resistance. Nickel is often coupled with copper, chromium, zinc, iron, and manganese to achieve different properties. The right combinations can have the tensile strength of carbon steel with good ductility and wear resistance. Alloys containing high levels of nickel are often used in chemical handling equipment.

Aluminum

Aluminum alloy, a popular choice in die casting, is a very castable alloy. Other great qualities of aluminum are its high level of machinability, which can reduce costs, and its high level of corrosion resistance, which allows aluminum to have a wide range of applications.

Are you interested in learning more about customized stainless steel investment casting parts? Contact us today to secure an expert consultation!

Additional resources:
Guide to Selecting Knife Gate Valves - China Valve Manufacturer

Metal Comparison Chart

The below chart provides a comparison of various alloy characteristics, including corrosion resistance, machinability, price, tensile strength, hardness, weldability, wear resistance and toughness.

Getting ready to purchase cast parts can be a complicated experience. That's why we offer plenty of resources to help you through the process, from our Shell Molding Process paper to our Buyer's Guide for Cast Parts. If you have further questions about any of the topics we cover, feel free to contact us for a free consultation.

Premium Quality stainless steel casting customized plates for Global ...

stainless steel casting customized plates are essential components in the manufacturing and construction industries, known for their durability and resistance to corrosion. These sheets are crafted from stainless steel, an alloy that primarily consists of iron, chromium, and nickel. The presence of chromium gives the steel its characteristic resistance to rust and staining, making stainless steel casting customized plates ideal for applications where longevity and aesthetic appeal are crucial. Available in various grades and finishes, these sheets offer versatility for a wide range of uses, from architectural designs to industrial equipment.

Types of Stainless Steel Sheets

There are several types of stainless steel casting customized plates available, each tailored to specific applications. The most common types include austenitic, ferritic, and martensitic stainless steel sheets. Austenitic sheets, such as 304 and 316 grades, are known for their excellent corrosion resistance and formability, making them suitable for kitchen appliances and architectural applications. Ferritic sheets, like 430 grade, offer good corrosion resistance and are often used in automotive and industrial settings. Martensitic sheets, including 410 and 420 grades, are characterized by their high strength and hardness, ideal for tools and cutlery. Each type of stainless steel casting customized plates provides distinct properties, ensuring optimal performance for its intended use.

Functions and Features of Stainless Steel Sheets

stainless steel casting customized plates serve multiple functions across various industries due to their unique features. They provide structural support and enhance the aesthetic appeal of buildings and products. The sheets' resistance to corrosion and staining makes them suitable for environments exposed to moisture and chemicals. Features such as high tensile strength and durability ensure that stainless steel casting customized plates can withstand heavy loads and harsh conditions. Additionally, their smooth surface finish allows for easy cleaning and maintenance, making them ideal for hygienic applications in the food and medical industries. Advanced manufacturing techniques enable customization of stainless steel casting customized plates to meet specific design and functional requirements.

Materials and Ingredients Used in Stainless Steel Sheets

The production of stainless steel casting customized plates involves a combination of materials and ingredients that contribute to their performance and quality. Stainless steel is primarily composed of iron, with chromium added to enhance corrosion resistance. Nickel is often included to improve formability and toughness. Other elements such as molybdenum, titanium, and nitrogen may be added to enhance specific characteristics like strength and resistance to high temperatures. The choice of materials impacts the sheet's properties, allowing manufacturers to tailor stainless steel casting customized plates to meet precise specifications. As sustainability becomes increasingly important, manufacturers are exploring eco-friendly production methods and materials to reduce environmental impact.

How to Use Stainless Steel Sheets Effectively

Utilizing stainless steel casting customized plates effectively requires understanding their properties and applications. When selecting sheets, consider the grade and finish that best suits the intended use, whether for decorative purposes or structural support. Ensure proper installation and maintenance to maximize the lifespan and performance of the sheets. In construction, stainless steel casting customized plates can be used for cladding, roofing, and interior design elements, providing both functionality and visual appeal. In manufacturing, they are ideal for creating durable components and machinery that resist wear and tear. Regular cleaning and inspection can prevent damage and maintain the sheets' integrity, ensuring they continue to serve their purpose efficiently.

Choosing the Right Stainless Steel Sheets

When selecting stainless steel casting customized plates, it is important to consider several factors to ensure they meet the specific needs of your project. One crucial aspect is the grade of stainless steel used in the sheets. Different grades offer varied levels of corrosion resistance, strength, and formability. For instance, 304 grade is commonly used for its excellent resistance to corrosion and ease of fabrication, while 316 grade is preferred in marine environments due to its superior resistance to saltwater. Understanding the properties of each grade can help you choose stainless steel casting customized plates that will perform optimally in your intended application.

Another consideration is the finish of stainless steel casting customized plates. Stainless steel sheets come in a range of finishes, such as brushed, polished, or matte. The finish can impact both the aesthetic appeal and functional performance of the sheets. A polished finish offers a sleek, reflective surface ideal for decorative applications, while a brushed finish provides a textured look that hides scratches and fingerprints, making it suitable for high-traffic areas. Selecting the right finish according to your design requirements and environmental conditions is crucial for maximizing the utility of stainless steel casting customized plates.

Q&A

What are the advantages of using stainless steel sheets in construction?

Stainless steel sheets offer several benefits in construction applications. Their corrosion resistance ensures longevity in structures exposed to moisture and the elements. The strength and durability of stainless steel casting customized plates provide reliable support for architectural designs, while their aesthetic appeal enhances the visual impact of buildings. Additionally, stainless steel is recyclable, contributing to sustainable building practices.

Can stainless steel sheets be used in food processing environments?

Yes, stainless steel casting customized plates are ideal for food processing environments due to their hygienic properties. The smooth surface of stainless steel is easy to clean and resists bacterial growth, making it suitable for areas where sanitation is paramount. Certain grades, such as 304 and 316, are particularly favored for their ability to withstand harsh cleaning agents and high temperatures.

How does the thickness of stainless steel sheets affect their performance?

The thickness of stainless steel casting customized plates plays a significant role in their performance. Thicker sheets offer greater strength and rigidity, making them suitable for heavy-duty applications where structural integrity is crucial. Conversely, thinner sheets are more flexible and easier to mold, which can be advantageous in applications requiring intricate designs or lightweight components.

Are there specific maintenance requirements for stainless steel sheets?

Maintaining stainless steel casting customized plates involves regular cleaning to preserve their appearance and prevent corrosion. Using non-abrasive cleaning agents and soft cloths can help avoid scratching the surface. It's also important to address any signs of rust or staining promptly, as these can compromise the integrity of the sheets over time. Proper care ensures that stainless steel sheets remain functional and visually appealing.

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What factors should be considered when choosing stainless steel sheets for industrial applications?

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