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Q: Why there are so many different hardness measurement scales?
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How do you I calculate the Rockwell Hardness number?

Converting between different hardness scales is not an exact science, but there are many charts available that will show the approximate relationship between different scales. One chart is available at http://www.carbidedepot.com/formulas-hardness.htm Another useful website for converting between different hardness scales is http://www.efunda.com/units/hardness/convert_hardness.cfm Tianxing Testing Instruments Co. Ltd. is a professional manufacturer of portable hardness testers http://www.hardnesstesters.biz/


Hardness of the drivers seat?

There are many different levels of hardness in drivers seats. The level of hardness depends on the car and maker.


Calibrating electronic kitchen scales.?

That depends on the type of scale that it is. This is due to the fact that many different scales calibrate to different ways.


How many scales do crocodiles have?

Every crocodile is different.


Convert asker-c to shore 00 hardness?

I understand that Asker C is a measurement of hardness for soft rubber. Its also based on a JIS K7312 standard. But How can I compare how this method of measurement correspond to ASTM D2240 Shore A standard ? i.e. If a material is Asker C 30points, how many is it on a Shore A point system?


What is the mohs number of iron ore?

There are many different iron ores, so each would have a different hardness.


How many centimeters are in 65 kilograms?

different measurement units. You can't convert a weight measurement unit to a length measurement unit.


If you are pulling a yarn out of a cylindrical package how can you measure how much tension you are applying to pull the yarn?

If you wanted to know how many ounces or pounds you are applying you can use a spring scale that has a hook on the end of it. Here is a web site that has various spring scales for sale. There are other spring scales that have different ranges of force that can be used. http://www.arborsci.com/Products_Pages/Measurement/SpringScales.aspx


How many meters are in one second?

A metre is a measurement of distance. A second is a measurement of time. One can not be converted in to the other as they are measurements of different things (they are measuring different dimensions).


How hard is stainless steel?

The hardness of stainless steel varies with the alloy and the finish treatment(s). There are hundreds of different stainless steels, and they come in a range of hardness. In addition, there are many ways to treat steel (stainless or otherwise) to increase (or even decrease) its hardness.


Is stainless steel hard?

The hardness of stainless steel varies with the alloy and the finish treatment(s). There are hundreds of different stainless steels, and they come in a range of hardness. In addition, there are many ways to treat steel (stainless or otherwise) to increase (or even decrease) its hardness.


What is the strength of fully hardened steel?

The question is a bit hard to give a definite answer to, because there are so many different techniques and scales used to measure "strength" and "full hardness" for steel. One - an it is only one of several - scales used for measuring hardness of steel is the Rockwell scale, where Rockwell C-60 would be very hard, indeed. Strength - again, what kind of strength do you mean? Torsion strength? Compression strength? Shock strength? Abrasion strength? All of those - and many more - have specific alloys and hardening procedures for optimum results. That's about as specific as I can get, given the broad generality of your question.