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MetalTek Alloys

Severe Corrosion & Heat Resistant Material Profiles

November 30, 2020

Grade MTEK N-12MV (N30012 / Alloy B) Description Nickel-based alloy for severe corrosion and heat resistance Properties – Why select this material Excellent high temperature and corrosion resistant properties. Oxidation resistance is maintained up to 1400°F / 760°C. Somewhat harder to machine that carbon steel. Applications – Frequent Uses Aircraft Chemical processing Grade MTEK CW-2M…

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MetalTek Alloys

Heat Resistant Stainless Steel Material Profiles:Part 1

November 30, 2020

Grade MTEK 20-10 (J92603 / HF) Heat Resistant Stainless Steel Description Economical heat resistant grade containing enough chromium and nickel for good resistance to oxidation. Properties – Why select this material Economical heat resistant grade Service limit 1600°F / 870°C Applications – Frequent uses Convection tube sheets Return bends Burner tips Gas burner rings Grade…

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Rapid Response Team

Petrochemical Rapid Shutdowns: MetalTek’s Rapid Response Team Again Rises to the Challenge

November 30, 2020

While planned shutdowns are regular occurrences in the life cycle of a petrochemical plant, not all shutdowns are planned. Furnaces can experience unplanned shutdowns. These events are often referred to simply as “shutdowns” but can also be referred to as a “rapid shutdown” (RSD) or “emergency shutdown.” In the event of a rapid shutdown, a…

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Silver Bars

Hi-Ho Silver: The History Of Silver

November 30, 2020

Some metals found early popularity primarily because of their appearance.  Silver is one such metal.  Relatively scarce – but not too scarce – so that it was considered valuable, silver has been an important form of currency, jewelry, and decorative pieces for thousands of years.  Only as industry has understood the other interesting and powerful…

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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 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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