This Standard specifies the terms and definitions, requirements, test methods, inspection rules and markings of the emergency shutoff valve of road tanker for dangerous liquid goods transportation. This Standard is applicable to the transportation of liquid petroleum products and other dangerous liquids which comply with the Class III dangerous liquid in GB 6944.

This Standard specifies the coding rules for automotive standardized-parts. This Standard applies to the development, design, manufacture, purchase, distribution, etc. of automotive vehicles, motorcycles and parts.

This Standard specifies the requirements, technical specification and test methods for metallic coatings and conversion coatings of parts and accessories of automobile. This Standard is applicable to automobile design and process design.

This Standard specifies the definitions, structure requirements, technical requirements, test methods, inspection rules, mark, package, transportation and storage of manual valve for gas vehicle.

This Standard specifies the test method of lead and cadmium content in automobiles materials..

This document provides the comprehensive list of Chinese Industry Standards - Category: QC; QC/T; QCT.

This Standard specifies the limit deviation for undeclared tolerance size in the automobile parts affected by welding procedure. This Standard applies to the limit deviation for undeclared tolerance size and angle formed after welding processing. This Standard does not apply to the welding size and weld size checked according to the master model.

This standard specifies the methods for the determination of hexavalent chromium in automobile parts and materials, wherein: X-ray fluorescence spectrometry is applicable to the use of X-ray fluorescence spectroscopy screening and rapid determination of hexavalent chromium content in the automobiles materials.

This Standard specifies the definitions and test methods of metallographic structure, effective layer depth of carburized case for the car steel carburizing gear. This Standard is applicable to the car gear with effective depth of carburized and hardened case greater than 0.3mm. This Standard is applicable to the quality inspection of gear after finishing all the heat treatment procedures.

This Standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements for passenger vehicle air conditioning units using HFC-134a as refrigerant. This Standard applies to the production, testing and inspection of passenger vehicle air conditioning units.