What are the best material options for protecting sensors from a drill bit?

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In summary, Dull/Black Steel or AL is a type of alloy made of iron, carbon, and other elements that has a dark, matte appearance. It is strong, durable, and resistant to corrosion, with good thermal and electrical conductivity. It is typically made through smelting and is commonly used in construction, automotive, manufacturing, and transportation industries for tools, machinery, and structural components. While it shares similarities with other types of steel, its unique properties make it a preferred choice for certain applications.
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fitz_calc
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I need a 5"x2"x1/8" 'cover' to protect some sensors from a drill bit. Occasionally the bit will run into the cover and chip away at material, etc.

I need the cover to be dull and black, coating with a surface treatment won't work because over time the coating will chip away. What are my options? Cover can be Al or Steel, cheaper is better, thanks for the help everyone!
 
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Some tungsten carbide would work good but be hard to mold
 

What is Dull/Black Steel or AL?

Dull/Black Steel or AL is a type of alloy that contains a combination of iron and carbon, with the addition of other elements such as manganese, silicon, and chromium. It has a dark, matte appearance due to the presence of a layer of iron oxide on the surface.

What are the properties of Dull/Black Steel or AL?

Dull/Black Steel or AL is strong, durable, and resistant to corrosion. It also has good thermal and electrical conductivity, making it suitable for various industrial applications.

How is Dull/Black Steel or AL made?

Dull/Black Steel or AL is typically made through a process called smelting, where iron ore is heated with carbon in a furnace to produce molten steel. The molten steel is then cast into different shapes and cooled to form the desired product.

What are the common uses of Dull/Black Steel or AL?

Dull/Black Steel or AL is used in a wide range of industries, including construction, automotive, manufacturing, and transportation. It is commonly used to make tools, machinery, and structural components due to its strength and durability.

How does Dull/Black Steel or AL compare to other types of steel?

Dull/Black Steel or AL is similar to other types of steel in terms of its composition and properties. However, its distinctive dark color and resistance to corrosion make it a popular choice for certain applications, such as outdoor structures and equipment.

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