GB/T 27946-2011
ActiveLimited value of hazardous substance in the air of heat treatment working place
热处理工作场所空气中有害物质的限值
Application Summary AI generated
This standard specifies the maximum allowable concentrations of hazardous substances, such as carbon monoxide, ammonia, and hydrogen cyanide, in the air of heat treatment workshops. It is applied in the manufacturing industry, specifically for monitoring and controlling air quality in workplaces where processes like quenching, tempering, and carburizing are performed. The standard ensures worker safety by setting exposure limits to prevent acute or chronic health effects from airborne contaminants.
Related Standards
GB/T 8121-2002
The terminology of technological materials for heattreatment
GB/T 7232-1999
Terminology of metal heat treatment
GB/T 13324-1991
Terminology of heat treatment installation
GB/T 12603-1990
Classification and designation on metal heat treatment
GB/T 9451-2005
Determination of total or effective thickness of thin surface hardened layers of steel parts
GB/T 9450-2005
Steels-Determination and verification of the depth of carburized and hardened cases
GB/T 5617-2005
Determination of effective depth of hardening after induction or flame hardening of steel
GB/T 11354-2005
Determination of nitrided case depth and metallographic microstructure examination for steel iron parts
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.