ISO/CD 643

Steels — Micrographic determination of the apparent grain size

General information

Current stage: 30.60 Effective date: Jan 10, 2023

Originator: ISO

Owner: ISO/TC 17/SC 7

Type: International Standard

ICS: 77.040.99

Life cycle

PREVIOUSLY

Revises
ISO 643:2019

NOW

IN_DEVELOPMENT
ISO/CD 643
30.60 Close of voting/ comment period
Jan 10, 2023

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