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There are several depending on what properties are required and what base metal is used.

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9y ago
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7y ago

Something called an "alloy".

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Q: What is a pure metal mixed with other metals used to improve hardness and strength?
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What is the Hardness Rockwell C scale?

This is a method used to determine the hardness of a metal. If you know the type of metal and the hardness, this will tell you the Tensile Strength of the metal and how well it was heat treated. The method uses a ball or a pin to strick the metal and leave a small indention. The size and depth that the ball makes in the metal is inversely proportional to the hardness. Using the scale, you can then determine if the part has completed the proper heat treatment as required by the Engineering drawing. There are 3 Rockwell scales: A, B, C. Rockwell C scale is for the hardest of metals such as steel. Rockwell B is for metal such as soft aluminum and A is for even softer metals.


Is a semi metal hard?

Their hardness will be less than that of metals but more than that of non metals. Hence the name, semi metals or metalloids.


How are hardness and tensile strength related?

There are tables that give you the Tensile Strength based on a Rockwell Hardness test of a specimen of metal. For example: Rc of 54 is a Steel of TSU = 300,000 psi. Google the internet for Rockwell Hardness Table.


Is there a formula to calculate metal strength by thickness?

Yes - there are many different formulae but the relationship of hardness to tensile or yield strength is at best very approximate. There is a general increase in hardness with increasing strength for most metals - where hardness has been measured by an indentation method such as Brinell.


What is one key physical difference between transition metal and poor metals?

The hardness.


What metals are used to make metal screws?

Metals are used for the production of screws as they are materials with high hardness and resistance to stress.


How does metal react to tension?

All metals have a tensile strength. The strength varies with the metal and with such factors as temperature and additives.


How does super-heating an alloy change it?

It melts the metal, but this does not change the alloy. Heating may mix metals into an alloy. Structurally, heating the alloy will improve strength.


Is a denser metal heavier in weight and is a denser metal stronger?

The more dense a metal, the heavier. Strength or hardness has nothing to do with density though - it's down to the structure of the bonded molecules. Lead and gold are among the heaviest/densest of metals yet they are also some of the softest.


What is the purpose of a portable hardness tester?

Portable hardness testers measure the surface hardness of different types of metal. It allows the user to get a strength test reading without having to take a sample of the metal or to compromise the integrity of the piece in question.


What is Rockwell C?

Answer Rockwell C is a method to measure the hardness of a metal object. The hardness of the metal is a direct correlation to its strength properties: i.e., Tensile Strength. The scales can be found in any engineering or matierals reference books. A test devise is used to strick a metal object with a small pointed hammer. The size of the dimple is compared to a chart to give you the Rockwell C hardness value. There are 3 charts for measuring hardness: A scale, B scale and Cscale. Rockwell C is for the hardest of metals such as very high strength steel. Rockwell A is for much softer materials including something as soft as clay, I believe. During manufacture, a hardness test will be performed to ensure that the finished product meets the design engineer's criteria to ensure the part.


What is the typical effect of the addition of an interstitial element on the properties of a metal?

Increase in hardness and strength, decrease in ductility.