GB/T 4197-1984
Method for measuring the average grain size of sintered bar and rod of tungsten molybdenum and alloys (English Version)

Standard No.

GB/T 4197-1984

Language

Chinese, Available in English version

Release Date

1984

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 4197-1984

Scope

This method is applicable to the determination of the grain size of sintered billets and rods of tungsten, aluminum and their alloys.

GB/T 4197-1984 history

• 1984 GB/T 4197-1984 Method for measuring the average grain size of sintered bar and rod of tungsten molybdenum and alloys