Blog Archives

MetalTek Alloys

Heat Resistant Stainless Steel Material Profiles:Part 2

November 30, 2020

Grade MTEK 25-35W Heat Resistant Stainless Steel Description HP material modified with Tungsten.   Properties – Why select this material The addition of tungsten increases rupture strength due to the formation of very stable tungsten carbides A disadvantage of this alloy is its low ductility, particularly after service Service limit 2100°F / 1150°C Applications –…

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Landing Gear Parts

Examples of Continuous Castings Solving a Problem and Decreasing Costs

November 30, 2020

The continuous casting process involves pouring molten metal through a die of the desired outside profile. If shaping on the I.D. is also desired, the material may flow around a mandrel to create that profile. As a result, continuous cast product is often chosen to dramatically reduce machining cost. Here are just two examples of…

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MetalTek Alloys

Cobalt-Based Material Profiles

November 30, 2020

Grade MTEK 6 (R30006) Cobalt Based Alloy Description Cobalt-based alloy for severe applications Properties – Why select this material High abrasion and elevated temperature wear resistance Galling resistance Resistance to oxidation and corrosion resistance Applications – Frequent uses Bearings, cylinder liners, weld overlay Grade MTEK 21 (R30021) Cobalt Based Alloy Description Cobalt-based alloy for severe…

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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 where leveraging the advantages of sand casting have helped solve an application challenge.  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…

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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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