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What is the case hardness of EN-19?
The hardness depends on the thermal and chemical treatment and is between 200 HB and 375 HB.
Is a hard material easily scratched?
No. Hard material an only be scratched by a material of equal or greater hardness.
Which physical property is shown by scratching one material with another?
Hardness
Ability to scratch etch or cut another material called?
Hardness
What do geologists use to classify a mineral's hardness?
Geologists use the Mohs scale of mineral hardness to characterize the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. In this scale diamond is the hardest material and talc the softest.
If a material has a hardness of 8 can it not be scratched by a material with a hardness of 7?
False
What are the factors on which hardness of a material depends?
Hardness of a material depends on the type of bonding between atoms.
Can you use any alternate material for 40Cr4 Type B forged steel that will lower your material cost?
En 18 is best material....
Indian standard for EN 19 steel?
how much hardness of en-d
Why hardness is a intensive?
Because the hardness is not dependent to the size of a material sample.
What is the Brinell hardness test used for?
The Brinell hardness test is a standardized test in material science. It measures the hardness of a metal by measuring the indentation on the material caused by an indenter.
What is the basic hardness in EN-8 material?
The hardness of En8 (having quite high C - 0.40%) will be dependent upon the supply condition - Annealed, Hardened, HT etc and may vary between say about 150 BHN to 40 HRC
What metal has the greatest rockwell hardness rating?
EN 31 having a more hardness than othres
What is the meaning of 'hardness' in science?
hardness is that property of material by virtue of which, the material cfan resist abrasion, wear and tear, penetration etc.
What is the property of the material by which it offers resistance to scratching or indentation is?
Hardness: the measure of the resistance of a solid to being scratched or dented ?
What is the hardness of en 19?
The hardness depends on the thermal and chemical treatment and is between 200 HB and 375 HB.
What does hardness in metal mean?
the hardnessb of a material
