GB/T 46324-2025 Active National standards

GB/T 46324-2025 Cemented carbide products for ultra precision optical dies

Publish Date: 2025-10-05 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 46324-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Powder metallurgy materials and products

ICS Name: Powder metallurgy

Publish Date: 2025-10-05

Implement Date: 2026-05-01

Pages: 12 pages

Scope

This document specifies the product grades, classification and model designation rules, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and accompanying documents and order forms for ultra-precision optical molds made of hard alloy products.
This document is applicable to ultra-precision optical molds made of hard alloy products prepared by powder metallurgy, with the content of the binder phase (Co, Ni, or Fe) not exceeding 1.00% (by mass fraction).

Development Information

Word Count: 14 Thousand words Pages: 12 pages

Referenced Standards

GB/T 3488.2-2018 Hardmetals—Metallographic determination of microstructure—Part 2:Measurement of WC grain size GB/T 3488.4-2022 Hardmetals—Metallographic determination of microstructure—Part 4:Characterisation of porosity,carbon defects and eta-phase content GB/T 3850-1983 Impermeable sintered metal materials and hardmetals—determination of density GB/T 3850-2015 Impermeable sintered metal materials and hardmetals—Determination of density GB/T 3851-1983 Hardmetals—determination of transverse rupture strength GB/T 3851-2015 Hardmetals—Determination of transverse rupture strength GB/T 4339-1999 Testing method for thermal expansion characteristic parameters of metallic materials GB/T 4339-2008 Test methods for thermal expansion characteristic parameters of metallic materials GB/T 5243-1985 Marking, packing, transport and storage of cemented carbide products GB/T 5243-2006 Marking,packing,transport and storage of cemented carbide products GB/T 5243-2020 Marking,packing,transport and storage of cemented carbide products GB/T 7997-1987 Hardmetals—Vickers hardness test GB/T 7997-2014 Hardmetals—Vickers hardness test GB/T 26050-2010 Hardmetals—Determination of contents of metallic elements by X-ray fluorescence—Fusion method GB/T 26050-2024 Hardmetals—Determination of contents of metallic elements—X-ray fluorescence spectrometry GB/T 3488.2-2025 Hardmetals—Metallographic determination of microstructure—Part 2:Measurement of WC grain size GB/T 7997-2026 Hardmetals—Vickers hardness test

Related Standards

GB/T 3879-1983 Replaced

GB/T 3879-1983 The material blanks of steel bonded carbide

Publish Date: 1983-10-10

GB/T 4309-1984 Replaced

GB/T 4309-1984 Classification and designation for powder metallurgy materials

Publish Date: 1984-03-27

GB/T 5124.1-1985 Replaced

GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content

Publish Date: 1985-04-24

GB/T 5124.2-1985 Replaced

GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content

Publish Date: 1985-04-24

GB/T 5124.3-1985 Replaced

GB/T 5124.3-1985 Methods for chemical analysis of hardmetals—The potentiometric method for the determination of cobalt content

Publish Date: 1985-04-24

GB/T 5124.4-1985 Replaced

GB/T 5124.4-1985 Methods for chemical analysis of hardmetals—The photometric peroxide method for the determination of titanium content

Publish Date: 1985-04-24