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its 7.8kg/m3 @ 20degree celsius

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16y ago

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What is hardness of en8 in joules?

The hardness of a material like EN8 is typically measured using a Rockwell hardness scale (e.g., HRC or HRB), which is not measured in joules. Hardness is a measure of a material's resistance to deformation, while joules are a unit of energy. The hardness of EN8 would depend on the specific heat treatment and method of testing used.


What is minimum sustainable temperature for en8 materials?

EN8 steel, also known as 080M40, is a medium carbon steel that is typically used in engineering applications. The minimum sustainable temperature for EN8 materials generally ranges around -20°C to -40°C, depending on the specific application and material treatment. However, factors such as the presence of any alloying elements, heat treatment, and the specific loading conditions can influence the performance at lower temperatures. It's always advisable to consult material specifications and conduct appropriate testing for critical applications.


The Moon's average density is about the same as the density of which of the Earth's layers?

The moon's average density is about the same as the density of mantle of the Earth.


If an object sinks when being placed in water its density is?

To sink, the object's density must be greater than the density of water.To sink, the object's density must be greater than the density of water.To sink, the object's density must be greater than the density of water.To sink, the object's density must be greater than the density of water.


When you compare the density of water or air with another object how can you tell which has the lower or higher density?

-- If the object floats in water, then its density is less than the density of water. -- If the object sinks in water, then its density is more than the density of water. -- If the object floats in air, then its density is less than the density of air. -- If the object sinks in air, then its density is less than the density of air.