COVENIN 911-1975
Inspection equipment for surface chromium hardness testing in Venezuelan ferrous material standards

Standard No.

COVENIN 911-1975

Release Date

1975

Published By

VE-FONDONORMA

Latest

COVENIN 911-1975

Scope

1.1 This standard contemplates two procedures for the verification of Rockwell and Rockwell Surface hardness testing equipment and a recommended procedure - to verify that the equipment has not become out of adjustment in the intervals between two routine periodic reviews.

COVENIN 911-1975 history

• 1975 COVENIN 911-1975 Inspection equipment for surface chromium hardness testing in Venezuelan ferrous material standards