Blog Archives

Propeller Hub Castings

High Lead Tin Bronze Material Profiles

November 30, 2020

Grade MetalTek 83-7-7-3 (C93200) (SAE 660) Bearing bronze Description This standard cast bronze-bearing alloy is used widely for a great many applications. Properties – Why select this material This alloy possesses good hardness, strength, and wear resistance. Excellent anti-frictional qualities Good casting properties. Readily machined, broached, or reamed. Applications – Frequent uses Bushings for electric motor,…

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Gold Bars

The Golden Age: The History of Gold

November 30, 2020

Often considered to be the first metal discovered by humans, gold has occupied a central point in the history of man.  Were this an economics newsletter rather than one concerned with metals, the treatment of gold as a basis for currency in the last century alone is a subject that fills volumes.  But in the…

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Sand Casted Valves

Sand Casting Process: Featured Solution Examples

November 30, 2020

Think of a test that you face in metal component design or application. Here are some examples of products made from sand casting that leveraged its advantages. Maybe you will see a problem you are working to resolve. High Performance Combined with Light Weight Military hardware transported by air to the place it is needed must…

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MetalTek Alloys

Selecting Super Austenitic Stainless Steel

November 30, 2020

There are numerous grades of austenitic stainless steel and obviously selection depends on more than one criterion. However, as these alloys are primarily used for corrosion resistance, the method most commonly used for initial selection and comparison is to establish PREn ratings (pitting resistant equivalent number).  This is calculated using a simple equation to establish…

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Defense

Aerospace & Defense Market – General Overview

November 30, 2020

Blue Chip companies in the aerospace and defense markets rely on MetalTek International for their metal casting needs. Your market demands perfection and MetalTek not only has the required certifications, but our Sales Engineers are industry specialists that understand your market. But even beyond our capabilities of what we can produce, MetalTek partners with you…

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Hub Body Part

Aerospace & Defense Market Experience

November 30, 2020

The Aerospace and Defense industry stretches the limits of performance and as a result, these markets demand perfection. Engineering collaboration with MetalTek helps meet those challenges with innovative products and processes. There are numerous examples of where MetalTek’s alloy development or process capability has enhanced the performance of components used in the Aerospace and Defense…

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Pentagon Memorial

Making a Lasting Difference at the Pentagon Memorial

November 30, 2020

The Pentagon Memorial is designed to honor those who lost their lives in the September 11, 2001 attack at the Pentagon. Each victim’s age and location at the time of the attack have been permanently inscribed into the Memorial by the unique placement and direction of each of the 184 benches.  The 184 benches within…

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Sand Casting Pour

What to Look For When Choosing a Casting Supplier

November 30, 2020

The process of choosing the right metal casting supplier should not be the same as choosing your supplier for bolts, manufacturing equipment, or office supplies. While some may treat metal castings as a commodity, they are far from it and the process of selecting the right supplier for a specific application requires careful consideration. Supplier…

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Defense Market Parts

10 Examples of Choosing the Right Metal Alloy for the Application | Alloy Metal

November 30, 2020

Sometimes particular alloys work in an application. Sometimes critical components and materials just don’t perform in a certain environment at all. There are factors like strength, resistance to corrosion, environmental temperature extremes, and many others, that help dictate which alloy metal to choose. Often a designer will select a familiar standard “workhorse” grade and keep…

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MetalTek Alloys

Why Certain Metals Offer Greater Wear Resistance

November 30, 2020

One regularly hears recommendations about material selection. Use this alloy for superior heat resistance. Or that for seawater corrosion.  Or this other one for a high wear application.  But what about the alloy actually makes it deliver that performance? In this installment, we will explore some simplified technical reasons – at the microscopic level –…

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