Answer / qasim ahmed

The unit of hardness can be measured by it hardness number
with the help of (Brinell hardness number and Rockwell
hardness number)

Answer / jayesh

it also defined by number(hardness number).

Answer / abhijit

unit of hardness is Rockwell hardness number and Brinell
hardness

Answer / guest

HRC,HRB

Answer / abdul rahim

GENERALLY HARDNESS IS COMPARED WITH THE STANDARD METAL
(DIAMOND)WHOSE HARDNESS IS EXTREME SAY 100.BASED ON THE
HARDNESS PROPERTIES IT CAN BE EXHIBITED IN brinell hardness
(HB),rockwell hardness(HRC),VICKMERS INDEX

Answer / kuldeep

hardness no. of Water is in UNIT of PPM
Material Hadrness is measured into Brinnel hardness Number

Answer / rohit

it is define by number like brenell hardness number and
vicker hardness number

like copper(annealed) = 45HV
COPPER (HALF HARD)=85HV


HERE HV REPRESENTED VICKER HARDNESS NUMBER

FOR KNOW METHOD REFER SOM BY R K RAJPUT

Answer / mukesh kumar

Brinell hardness number and Rockwell hardness number.

Answer / om

Depends upon the test performed. However the hardness is
designated by some number. If Brinell Hardness Test is used
then hardness-number is followed by BHN.For Rock-well test
it is denoted by HRC,HRA,HRB etc.

Answer / devendra patil

HRB

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