Blog Archives

Investment Casting Process

Investment Casting Misconceptions

June 13, 2024

Investment casting has many benefits over other casting processes. Ranging from cost savings (reduced machining costs and material use) to fine detail, tight tolerances, and superb surface finishes. MetalTek’s Wisconsin Investcast Division produces investment castings up to 1,000 lbs. (finished weight). While there certainly are some drawbacks to investment casting, those aren’t related to the…

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Weld Repair / Weld Upgrade In Steel Castings – When To Use

May 22, 2024

Like many metal components, steel castings may require repair or modification during their initial casting or overall lifecycle. Weld repair, also known as upgrade, is an industry-standard practice employed to address defects, adapt castings to new requirements, or extend the life of a casting. A common misconception around weld repair is that it leads to…

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Bearium Bushings

Bearium Metal Alloys: An in-depth guide of proprietary leaded bronzes

May 20, 2024

What Is Bearium Metal? Bearium Metal is a group of high lead tin bronze alloys containing virgin copper, tin, and specially processed lead. These bearing bronzes provide every desirable feature found in other bearing metals, plus certain superior characteristics which are proprietary to MetalTek International. There are four grades available: B-4, B-8, B-10, B-11. Benefits…

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Largest Centrifugal Castings for Demanding Industries Worldwide

Sandusky International: Largest Centrifugal Castings for Demanding Industries Worldwide

May 8, 2024

MetalTek’s Sandusky International Division is a leading supplier of large metal components for high-heat, high-wear, and high-corrosion applications in a range of demanding industries. Founded in 1904 to primarily serve the paper industry, Sandusky International evolved over subsequent decades and now serves markets as diverse as: In 2023 Sandusky International secured a substantial order from…

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Wax pattern for investment casting

Types Of Wax Used In The Investment Casting Process

March 12, 2024

Investment casting, also known as lost wax casting, is a metal casting method for shaping metal parts that often have more intricate cavities or geometries. The process begins with shaping the final part out of wax, adding a ceramic shell over the wax, and then melting the wax out of the shell. Molten metal is…

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Sand Casting Mold

3 Common Types of Sand Used in Sand Casting

February 20, 2024

Sand casting is a versatile and cost-effective solution for the creation of metal parts. In fact, most metal components can be manufactured using the sand casting method. Sometimes called sand mold casting, sand casting is a great process for small or large-volume orders. To learn more about the various steps of sand casting process, check…

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Rusty Metal Tube

What Is Rust And How To Prevent It

January 23, 2024

Rust, the reddish-brown culprit that silently creeps onto many metal surfaces, is a phenomenon that has plagued ferrous metals for centuries. More specifically, it is a problem that impacts metals containing iron. This natural process occurs when metals containing iron react with oxygen and moisture in the environment. Rust can be detrimental to structural integrity…

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The Beginners Guide to Metal Casting Defects

January 12, 2024

Metal casting is one of the most widely utilized methods of producing metal parts. Like any process, if not conducted carefully, defects can occur. Defects compromise the integrity and quality of the final metal product and come in a wide variety. Foundry experts can perform various tests to ensure defects are discovered and corrected. However,…

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Hydrogen Reforming

How To Choose a Metal Casting Supplier for the Petrochemical Industry

December 12, 2023

Planned turnarounds are regular occurrences in the life cycle of a petrochemical plant. Every few years, a plant goes offline for a few weeks to upgrade capital equipment, perform regular maintenance, or improve worker safety. These activities cannot take place while a plant is operational. When properly executed, a planned turnaround limits the downtime and…

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Metal Castings

304 vs. 316 Stainless Steel: Which One Is Better?

December 6, 2023

Stainless steel is one of the world’s leading metals in various applications. It provides exceptional corrosion resistance, durability, and aesthetic appeal. While the name suggests that it is impervious to everything, stainless steel is still susceptible to problems metals face, like rust and corrosion. The critical difference is its longevity to withstand elements without showing…

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