ISO 6506

BRINELL HARDNESS

HISTORICAL

Year

2016

2017

2018

2019

2020

Number of participants

18

24

21

17

19

Participants OK

11

16

13

12

9

Participants NOT OK

5

6

6

5

3

Participants CANCELED

2

2

2

0

7

References:

Participants OK: All properties were determined correctly

Participants NOT OK: Some or all of the properties were not determined correctly

Participants CANCELED: A participant who has decided not to continue or has not submitted results before the deadline.