JJG 1048-2009 Active National Metrology and Inspection Regulations JJG

JJG 1048-2009 Knoop Hardness Reference Blocks

Publish Date: 2009-08-18 Implement Date: 2009-11-18 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JJG 1048-2009

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 2009-08-18

Implement Date: 2009-11-18

Pages: 10 pages

Scope

This procedure is applicable to the initial verification, subsequent verification, and in-use inspection of standard Knoop hardness blocks with a test force range of 009807N to 19614N.
The indentation length diagonal of the standard Knoop hardness blocks should be greater than or equal to 0020mm.

Development Information

Word Count: 12 Thousand words Pages: 10 pages

Referenced Standards

ISO 4545:1-2005 ISO 4545:2-2005 ISO 4545:3-2005 JJG 144-2007 Standard Dynamometers

Related Standards

DZ/T 0101.12-1994 Active

DZ/T 0101.12-1994 Geological instrument manufacturing time quota for printed circuit board

Publish Date: 1994-01-27

JJG 204-1980 Active

JJG 204-1980 Meteorological Ventilation Psychrometer

Publish Date: 1980-07-11

SC 53-1980 Active

SC 53-1980 Transfer blade hydraulic steering gear repair quality standard

Publish Date: 1981-07-01

DZ 4-1981 Replaced

\nDZ 4-1981 Method for Compiling Product Models of Geological Instrumentation Equipment

Publish Date: 1981-08-20

SC 69-1982 Active

SC 69-1982 ZSS-12 Flash-type seawater desalination production device technical specifications

Publish Date: 1982-01-20

SC 72-1982 Active

SC 72-1982 Steel Fishing Boat Builder Quality Standards and Mooring Equipment Installation Technical Requirements

Publish Date: 1982-03-30