ISO 9385

KNOPP HARDNESS TEST

HISTORICAL

Year

2016

2017

2018

2019

2020

Number of participants

14

16

16

13

14

Participants OK

10

11

10

8

7

Participants NOT OK

3

3

4

5

2

Participants CANCELED

1

2

2

0

5

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.