GB/T 38977-2020
Nanometer grain cemented carbide rod (English Version)

Standard No.

GB/T 38977-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 38977-2020

Scope

This standard specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and order (or contract) content of nanocrystalline cemented carbide rods. This standard applies to nanocrystalline cemented carbide rods (hereinafter referred to as "rods") with an average grain size of tungsten carbide (WC) in cemented carbide not larger than 200nm.

GB/T 38977-2020 Referenced Document

• GB/T 5242 Inspection rules and test methods of cemented carbide products
• GB/T 5243 Marking,packing,transport and storage of cemented carbide products

GB/T 38977-2020 history

• 2020 GB/T 38977-2020 Nanometer grain cemented carbide rod