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Question
what is the unit of hardness?
 Question Submitted By :: Mechanical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
The unit of hardness can be measured by it hardness number
with the help of (Brinell hardness number and Rockwell
hardness number)
 
Is This Answer Correct ?    62 Yes 4 No
Qasim Ahmed
 
Answer
# 2
it also defined by number(hardness number). 
Is This Answer Correct ?    31 Yes 5 No
Jayesh
 
 
 
Answer
# 3
HRC,HRB 
Is This Answer Correct ?    17 Yes 6 No
Guest
 
Answer
# 4
unit of hardness is Rockwell hardness number and Brinell
hardness
 
Is This Answer Correct ?    13 Yes 2 No
Abhijit
 
Answer
# 5
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
 
Is This Answer Correct ?    7 Yes 0 No
Abdul Rahim
 
Answer
# 6
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
 
Is This Answer Correct ?    5 Yes 0 No
Rohit
 
Answer
# 7
hardness no. of Water is in UNIT of PPM
Material Hadrness is measured into Brinnel hardness Number
 
Is This Answer Correct ?    5 Yes 0 No
Kuldeep
 
Answer
# 8
Brinell hardness number and Rockwell hardness number. 
Is This Answer Correct ?    4 Yes 1 No
Mukesh Kumar
 
Answer
# 9
HRB 
Is This Answer Correct ?    6 Yes 4 No
Devendra Patil
 
Answer
# 10
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.
 
Is This Answer Correct ?    2 Yes 0 No
Om
 

 
 
 
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