JIS B 7734:2020
Current
Current
The latest, up-to-date edition.
Knoop hardness test -- Verification and calibration of testing machines
Available format(s)
PDF
Language(s)
English
Published date
21-12-2020
Publisher
€69.72
Excluding VAT
This Standard specifies a method of verification and calibration of testing machines for determining Knoop hardness in accordance with JIS Z 2251-1. A direct method of verification and calibration is specified for the testing machine, indenter and the diagonal length measuring system. An indirect verification method using reference blocks is specified for the overall checking of the machine.
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
Japanese Standards Association
|
| Status |
Current
|
| Supersedes |
| JIS Z 2251-1:2024 | Knoop hardness test-Part 1: Test method |
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