GB/T 3849.2-2010

Active

Hardmetals - Rockwell hardness test (scale A) - Part 2: Preparation and calibration of standard test blocks

硬质合金洛氏硬度试验（A标尺）第2部分：标准试块的制备和校准

Standard Type

GBT

ICS

77.160

CCS

H16

Status

Active

Issue Date

2011-01-14

Implementation

2011-11-01

Centralized Committee

中国有色金属工业协会

Issuing Authority

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the procedures for preparing and calibrating standard test blocks used to verify Rockwell hardness testing machines (scale A) for hardmetals. It is applied in metallurgical laboratories and quality control settings to ensure accurate and consistent hardness measurements of cemented carbide materials. The standard blocks serve as reference artifacts for routine calibration and verification of test equipment in industrial production and material testing.

Related Standards

GB/T 19589-2004 Nano-Zinc oxide GB/T 19743-2005 Water atomized pure iron powder and alloyed steel powder for powder metallurgy GB/Z 155-2025 General principles of sodium ion battery cathode materials GB/T 19076-2003 Sintered metal materials--Specifications GB/T 9096-2002 Sintered metal materials，excluding hardmetals--Impact test method GB/T 10425-2002 Sintered metal friction materials--Determination of apparent hardness GB/T 10424-2002 Sintered metal friction materials--Determination of compressive strength GB/T 10423-2002 Sintered metal friction materials--Determination of tensile strength

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.