ISO 643:1983
Steels; Micrographic determination of the ferritic or austenitic grain size

Standard No.

ISO 643:1983

Release Date

1983

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Replace By

ISO 643:2003

Latest

ISO 643:2019/Amd 1:2020

ISO 643:1983 history

• 2019 ISO 643:2019/Amd 1:2020
• 2019 ISO 643:2019 Pneumatic fluid power — Single rod cylinders with detachable mountings — 10 bar (1 000 kPa) series — Bores from 32 to 320 mm — Mounting dimensions
• 2012 ISO 643:2012 Steels - Micrographic determination of the apparent grain size
• 2003 ISO 643:2003 Steels - Micrographic determination of the apparent grain size
• 1983 ISO 643:1983 Steels; Micrographic determination of the ferritic or austenitic grain size