GB/T 6885-2020 Active National standards

GB/T 6885-2020 Hardmetals—Sampling and testing method of mixed powders

GB/T 6885-2020 Hardmetals—Sampling and testing method of mixed powders

Publish Date: 2020-03-06 Implement Date: 2021-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 6885-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Powder metallurgy

ICS Name: Powder metallurgy

Publish Date: 2020-03-06

Implement Date: 2021-02-01

Pages: 4 pages

Scope

This standard specifies the sampling of mixed powders, the preparation of test pieces, and the testing methods for determining the performance of hard alloys by sintering test pieces.
This standard applies to the sampling and testing methods of hard alloy mixed powders.

Development Information

Word Count: 6 Thousand words Pages: 4 pages

Replace the following standards

GB/T 6885-1986 Hardmetals—Sampling and testing of mixed powder

Referenced Standards

GB/T 3488.1-2014 Hardmetals—Metallographic determination of microstructure—Part 1:Photomicrographs and description GB/T 3489-1983 Hardmetals—Metallographic determination of porosity and uncombined carbon GB/T 3489-2015 Hardmetals—Metallographic determination of porosity and uncombined carbon GB/T 3848-1983 Hardmetals—determination of (the magnetization) coercivity GB/T 3848-2017 Hardmetals—Determination of(the magnetization) coercivity GB/T 3849.1-2015 Hardmetals—Rockwell hardness test(scale A)—Part 1:Test method 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 5314-1985 Powders for powder metallurgical purposes—Sampling GB/T 5314-2011 Powders for powder metallurgical purposes—Sampling GB/T 7997-1987 Hardmetals—Vickers hardness test GB/T 7997-2014 Hardmetals—Vickers hardness test GB/T 3488.1-2024 Hardmetals—Metallographic determination of microstructure—Part 1:Photomicrographs and description GB/T 7997-2026 Hardmetals—Vickers hardness test

Adopt standards

ISO 4884:1978

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