14
A1
A2
A3
A4
A5
A1-A5: Hardness samples
“ ”: Impress of hardness scales to be converted
“ ”: Impress of HL hardness scales
Figure 3
4.2.3 Testing result
In front of Leeb hardness symbol HL, expresses the hardness value; behind HL expresses type of
impact device. For example: 700HLD expresses using D type of impact device measured Leeb hardness value
is 700
；
For other hardness method converted from Leeb hardness, put the symbol of corresponding hardness
method in front of Leeb hardness symbol. For example: 400HVHLD expresses using D type of impact device
measured Leeb hardness value converted Vickers hardness value is 400.
