Introduction
The significance of stainless steel casting in modern manufacturing is due to its adaptability, endurance, and excellent mechanical characteristics. Stainless steel casting is used in Manufacturing Industries across the globe in critical components in the Aerospace and Medical devices, etc. But picking the appropriate manufacturer can be difficult. Consideration of casting techniques, material Certification, and the manufacturer’s experience. This Guide is meant to highlight these characteristics and help you choose the right supplier to meet your satisfaction in quality, timely delivery, and reasonable price.
What Is Stainless Steel Casting?
Some industries require parts that are both highly durable and corrosion-resistant. This is when they will lo to processes like stainless steel casting. This process starts with molten stainless steel that is poured into a mold and allowed to solidify. Certain alloys like chromium, nickel, and a few other metals are added to further enhance the resistance to oxidation, rust, and corrosion.

Stainless steel casting has many benefits. One such example is its durability. Its metal parts resist corrosion that is often present in marine or chemical application environments as well as are precisely detailed. Casting is adaptable to many industries as it can make detailed shapes that have smooth finishes, meaning it is a perfect option for a variety of industries such as food processing, automotive, and medical equipment.
Stainless Steel Casting Manufacturers
Investment casting foundries
BesserCast

- Website:https://www.bessercast.com/
- To Bor C: B2B
- Key Products: Pump housings, valve bodies, agricultural machinery parts, rail components
- Key Services: Investment casting (Silica Sol Shell, Vacuum casting), precision machining
- Main Markets: Industrial equipment, railway, agriculture, pump and valve manufacturers
BesserCast has the most experience in investment casting. As of today, BesserCast is the most advanced in the silica sol shell and vacuum casting technology. BesserCast has developed more than 4500 different products of over 200 different materials from carbon steel, alloy steel, stainless steel, and even some nickel-based alloys. BesserCast is the most developed in the casting simulation software. With BesserCast simulation software, they are able to manufacture engineering precise components that are high quality like pump housings and valve bodies. They have the ability to vacuum cast parts that are more than 0.5 mm, which is rare in the market. Fields that demand complex cast parts of high precision will always choose them as the perfect fit.
BesserCast was the first in the market to provide 1-stop service. They have 14 CNC machining centers, 14 different surface treatment processes. They are IATF 16949, ISO 9001, PED and AC2000 certified which means quality has been controlled and assured in every step of production. The combination of being able to work with different materials, complex designs, and quick responses is the reason they are the best in the market.
| What We Love | Things to Consider |
| Expertise in advanced casting techniques and complex materials | Best for precision and complex parts |
| One-stop service with machining and surface treatment | May not be the most cost-effective for simple, large-volume production |
| High-quality standards with stringent certifications |
Sand Casting Specialists
Fisher Cast Steel

- Website: https://www.fishercaststeel.com/
- To Bor C: B2B
- Key Products: Large valve bodies, pump housings, impellers, wear-resistant components
- Key Services: Sand casting, industrial casting, machining, engineering support
- Main Markets: Petrochemical, mining, heavy industry, oil & gas
Fisher Cast Steel is one of the few sand-casting companies in the U.S. specializing in stainless steel, cast iron, and carbon steel castings. The company is well-known for the production of large, heavy industrial castings and for making tough castings, including valve bodies, pump housings, and impellers. The company is also well-known in the petrochemical, mining, and heavy industrial spaces, and provides medium to large castings weighing hundreds of kilograms per piece. Oil and gas, mining, and similar high requirement industries benefit from the durability and precision of products made by sand casting, especially using Fisher Cast Steel’s advanced methods.
Fisher cast steel’s dedication to quality is demonstrated by the facilities and by the ability to meet and exceed the high quality standards of the industries. The company uses sand casting for the production of large and complex engineering components. Customers in need of industrial, and/or value added machining services, will find that Fisher Cast Steel’s reliability and precision services that meet, and exceed, quality standards are certainly in the top tier.
| What We Love | Things to Consider |
| Specializes in large, industrial-grade castings | Best suited for heavy-duty, large-scale production |
| Expertise in highly durable and wear-resistant components | May not be the best choice for small, intricate parts |
Centrifugal or Continuous Casting Specialists
MetalTek International

- Website: https://www.metaltek.com/
- To Bor C: B2B
- Key Products: Stainless steel components, super-alloys, corrosion-resistant materials
- Key Services: Centrifugal casting, continuous casting, specialty alloys, high-performance castings
- Main Markets: Aerospace, chemical, nuclear, petrochemical, marine
Metaltek International is the best in the industry when it comes to centrifugal and continuous casting. With outstanding performance, they work with corrosion-resistant alloys, stainless steel, and other super alloys while serving the marine, nuclear, aerospace, and chemical industries. Their casting capabilities result in the production of components that are highly durable and perform exceptionally well in mission-critical applications that require utmost reliability and precision.
Metaltek International has one of the best centrifugal casting technologies in the industry which is highly suitable when it comes to the production of highly dense and low-porosity components. Parts such as cylindrical components, bearings, and cylindrical components are best produced using this casting technology. Their continuous casting technology is best suited for businesses that are looking for high-volume production of uniform components since it is a low cost and efficient technology. With performance and innovation as their main focus, Metaltek International has established themselves as the optimal choice for industries that have the highest and most demanding expectations when it comes to the reliability and quality of their metal components.
| What We Love | Things to Consider |
| Expertise in high-performance, corrosion-resistant materials | Specialized in high-volume production |
| Suitable for large-scale production with minimal porosity | Limited flexibility for small or custom part orders |
Integrated Casting & Machining Manufacturers
Stainless Foundry & Engineering (SFE)

- Website: https://stainlessfoundry.com/
- To Bor C: B2B
- Key Products: Investment castings, sand castings, CNC-machined parts
- Key Services: Investment casting, sand casting, CNC machining, heat treatment, NDT testing
- Main Markets: Aerospace, automotive, food processing, medical, industrial equipment
SFE is an all-inclusive caster and machinist with the service offerings from investment casting and all the other forms of casting to complete CNC machining. With an ability to process parts in all combinations from 1 lb to 300 lbs, aerospace, automotive, and medical devices are easy to service. With experience in sand and investment casting coupled with CNC machining and heat treatment, the company has the capacity to service all orders of and from quality to excellence to high standards or lead to clients with demonstrated engineering of machine parts or precisions.
From casting to machining, the lead times are shortened and all the processes are done in-house. With ASME, NADCAP, and all other integrations, the company has the capacity to process all orders to service the clients with the most quality and highest industry standards. The company is able to take in high volumes of orders and all varying degrees for the complexities of designs and tolerances and will prove the ideal to any business that has to use a one vendor for all of the casting and machining.
| What We Love | Things to Consider |
| Offers both casting and machining under one roof | May be overqualified for simpler, low-volume projects |
| Capable of handling complex designs with tight tolerances | Higher cost for specialized services due to integrated processes |
Engineering-Driven OEM/ODM Suppliers
CIREX Casting

- Website: https://www.cirex.com/
- To Bor C: B2B
- Key Products: Precision stainless steel castings, custom components
- Key Services: DFM support, mold design, prototype development, material customization
- Main Markets: Automotive, medical, defense, industrial equipment
CIREX casting is based in Europe and is one of the top engineering-driven OEM/ODM Suppliers focused on Precision Stainless-Steel Castings. Their greatest advantage is the specialized research and development, Design for Manufacturability (DFM), mold design, and prototype. Because of their expertise, CIREX is able to meet the varied and complex precision casting needs of the automotive, medical, and defense industries.
CIREX’s engineering support offers optimum and efficient casting solutions is one of the first in the industry. Their in-house material and advanced casting techniques tailoring even the exacting performance requirements. This makes CIREX a strategic partner for industries with exacting demands of high performance, which is especially true for advanced and customized industries.
| What We Love | Things to Consider |
| Strong engineering support with DFM and prototype development | Best suited for projects requiring high customization |
| Custom material development for specific needs | May not be cost-effective for mass production |
Small Precision Parts Manufacturers
Milwaukee Precision Casting

- Website: https://milwaukeeprec.com/
- To Bor C: B2B
- Key Products: Small stainless steel precision castings
- Key Services: Investment casting, precision machining
- Main Markets: Precision machinery, medical devices, military, food processing
Milwaukee Precision Casting is known for small stainless steel precision castings of components weighing 0.01 to 20 lbs . As investment casting is a specialty of the company, they are perfect for industries needing high – precision parts such as precision machine, medical devices, military, and food processing equipment. Their capability to manufacture such small and finely detailed castings guarantees them as a trusted partner for small volume, high quality production.
Milwaukee Precision Casting is a focus on technologically advanced precision investment casting and quality to meet client expectations. As such, they are a perfect fit for small piece manufacturers as they are a reliable source for detailed castings and are of high importance for the required accuracy and surface finish.
| What We Love | Things to Consider |
| Specializes in small, precision parts | Best suited for small to medium volume production |
| Ideal for industries requiring high accuracy and detail | Higher cost due to the precision and material used |
Large Industrial Castings Manufacturers
Bradken

- Website: https://bradken.com/
- To Bor C: B2B
- Key Products: Large steel castings, wear-resistant components, heavy machinery parts
- Key Services: Sand casting, precision casting, engineering support, large-scale production
- Main Markets: Mining, rail, energy, heavy machinery, shipping
Bradken is one of the major players in the world in the manufacturing of the largest and heaviest steel castings and big industrial castings and wear-resistant components. With facilities located in the USA and Australia, the Company caters to the mining, rail, energy and heavy equipment industries. Their market is the large-scale and heavy and bulky segments where one needs to fabricate components with the extreme and heavy-duty structures as they produce compulsorily large equipment with components weighing in the hundreds of kgs and including several tons and are required in the industries to fabricate.
Here is the Custom Sand and Precision Castings with admirable quality to produce largely and via many processes. Their large volume and large durable castings are supplied to all the industries. Their castings are supplied to all industries with machinery. With mining, rail and energy castings. With all industries, the castings are supplied by them.
| What We Love | Things to Consider |
| Specializes in heavy-duty, large-scale castings | Primarily suited for large-scale industrial applications |
| Suitable for industries requiring high durability and performance | May not be cost-effective for small or intricate parts |
Industry-Focused Suppliers
Pump & Valve Industry Specialized Foundry
Niagara Specialty Metals

- Website: https://www.niagaraspecialtymetals.com/
- To Bor C: B2B
- Key Products: Stainless steel valves, pumps, compressor components
- Key Services: Custom metal alloys, casting, forging, machining
- Main Markets: Pump and valve manufacturers, chemical processing, oil & gas
Niagara Specialty Metals specializes in providing corrosion-resistant alloys for the pump and valve industry. They offer casting and forging services tailored to the manufacturing of valves, pump bodies, compressors, and other essential components used in chemical processing and oil & gas industries. Their focus on providing durable materials, including martensitic and austenitic stainless steels, ensures that components meet the stringent performance standards required by these industries.
Their expertise in both casting and forging allows for the creation of high-performance components that can withstand the toughest operating conditions, including high temperatures and aggressive chemicals. With a commitment to providing high-quality materials and custom solutions, Niagara Specialty Metals is a trusted partner for companies in the pump and valve industry.
| What We Love | Things to Consider |
| Specialized in corrosion-resistant materials | Best suited for industries with high-performance requirements |
| Ideal for high-demand industrial applications | Customization may increase lead times and costs |
Food Processing Equipment Specialized Supplier
Ultra Clean Holdings

- Website: https://www.ucholding.com/
- To Bor C: B2B
- Key Products: Stainless steel components, food-grade castings
- Key Services: Precision casting, surface finishing, food-safe materials
- Main Markets: Food processing, medical devices, pharmaceutical
Ultra Clean Holdings does an incredible job of supplying top of the line stainless steel parts for people in the food processing industry. Their products are tailored for the food, medical, and pharmaceutical industries, and guarantee the ultimate hygiene and corrosion resistance. Ultra Clean does stainless steel casting and makes sure every piece is food-grade so that the equipment that is used to process sensitive foods and materials is safe and built to last.
They are quality driven because of the industry state of the art surface finishing techniques that are both industry compliant and smooth to maintain. Ultra Clean Holdings is the best in the industry for food-grade stainless steel casting. Their products are as safe as they perform to health industry compliant standards.
| What We Love | Things to Consider |
| Specializes in food-grade stainless steel castings | Primarily suited for food and medical applications |
| Meets high hygiene and corrosion resistance standards | May not be the best fit for industrial or heavy-duty applications |
Marine & Offshore Applications Specialized Foundry
Stainless Foundry & Engineering – Marine Division

- Website: https://stainlessfoundry.com/
- To Bor C: B2B
- Key Products: Duplex stainless, super duplex, marine-grade stainless steel castings
- Key Services: Marine-grade casting, corrosion-resistant components, engineering support
- Main Markets: Marine, offshore, shipbuilding, oil & gas
Stainless Foundry & Engineering brings its expertise to the production of marine-grade stainless steel castings, including duplex and super duplex stainless steels, in the Marine Division. Along with propellers, seawater pumps and marine valves, these materials are needed for parts that are designed to endure the conditions of the marine and offshore environments. The company’s expertise provides high quality seawater components that meet the requirements for corrosion and strength that are needed for reliability and service life in extreme environments.
Sophisticated casting and extensive industry experience makes them an invaluable resource for offshore and marine industries. Parts designed for military and commercial marine applications provideDurability, advanced corrosion resistance and high quality performance.
| What We Love | Things to Consider |
| Specializes in corrosion-resistant marine alloys | Best suited for the marine and offshore industries |
| Ideal for offshore and marine applications | Not ideal for non-corrosive, general applications |
How to Choose the Right Stainless Steel Casting Manufacturer
When choosing a stainless steel casting manufacturer, focus on the following key factors:
- Process Capabilities: You want to make sure they have a lot of experience with the type of casting they will be doing for your parts (i.e. investment casting, sand casting, etc).
- Quality Control Systems: Look for types of suppliers that have a lot of quality assurance (perhaps ISO certified) to make sure the parts are meeting very constraining specifications.
- Material Expertise: Stainless steel alloy and experience corrosion resistant and strong stainless steel and are strong for the alloys your application needs.
- Inspection and Testing: Make sure they have used significant inspection tools (such as X-ray, CNC) to ensure the pieces made are the right type.
- Lead Time & Capacity: You will want to work with a supplier who will be able to achieve all of your production deadlines as well as be able to add production capacity whenever needed.
- Engineering Support: You should select a manufacturer that provides Design for Manufacturability (DFM) support because they will be able to refine your design and streamline the production process.
Which Stainless Steel Casting Process Fits Your Part?

- Part Type and Geometry
| Part Type / Geometry | Recommended Process | Reason |
| Complex shapes / high precision | Investment casting | Best surface finish and high dimensional accuracy |
| Large parts / thick sections / high strength | Sand casting | Ideal for producing large, cost-effective parts |
| Medium parts, moderately complex shapes | Shell Mold / Lost Foam Casting | Higher accuracy than sand casting, lower cost than investment casting |
| Rings, cylindrical parts, bushings | Centrifugal casting | Ideal for dense, minimal-porosity parts |
- Operating Environment
- High corrosion (marine/chemical): Investment casting or centrifugal casting
- High-temperature applications: Investment casting using heat-resistant grades (e.g., 310/309)
- Food-grade or medical equipment: Investment casting for superior surface quality
- Budget and Quantity
- Small batches, high mix, high precision: Investment casting
- Mass production, cost-sensitive: Sand casting
- Medium volume, moderate precision: Shell mold / lost foam casting
- Size and Wall Thickness
- Wall thickness < 3 mm: Investment casting
- Wall thickness 5–20 mm: Investment casting or shell mold casting
- Wall thickness > 20–30 mm: Sand casting (better control of hot spots)
- Machining Requirements
- Tight CNC tolerances (H7/H8): Investment casting
- Heavy machining acceptable: Sand casting can reduce cost
- Practical Examples of Process Selection
- Pump impellers: Investment casting
- Flanges: Sand casting
- Valve bodies: Investment casting / Shell mold casting
- Food machinery components: Investment casting
- Large machinery housings: Sand casting
- Marine corrosion-resistant sleeves: Centrifugal casting
Applications of Stainless Steel Castings

Stainless steel castings can be used in many fields and industries. Stainless steel castings are used in pumps and valves due to their ability to withstand corrosion and have strength which are important factors for reliability and durability in tough working conditions. In the marine industry, corrosion resistant sleeves and propellers are cast to endure saltwater. Stainless steel castings are also used in food processing and in medical equipment due to precision, surface finish, and durability.
In the automotive industry, stainless steel castings are used to make engine block and parts of transmissions because of their ability to resist wear. Stainless steel castings are also used in architectural metalwork for structural parts, decorative pieces, and in hardware to combine beauty with functional strength. This all shows how versatile casted stainless steel is in all fields in the industry.
What a Reliable Stainless Steel Casting Manufacturer Looks Like
Reliable stainless steel casting manufacturers should be equipped with proven production technology and all relevant quality certifications. They should be able to provide consistent castings regardless of part complexity and include engineering services for design and manufacturing using high-quality stainless steel materials. Strong nondestructive testing and machining inspection services should verify that the final product meets all specifications. Such manufacturers have been committed to quality castings and stainless steel castings for many years.
Conclusion
Knowing which stainless steel casting manufacturer to partner with is important to guarantee the quality of your parts. For industrial, agricultural, and rail parts, Bessercast is able to help you with the required expertise, precision, and reliability. We are committed to quality and with BesserCast you will never be alone. For a quote and to discuss your specifications with a professional to guide you towards the success of your project, BesserCast is able to help you. Let us be your partner for your stainless steel casting.