Standards

QC/T 683-2024 Active

QC/T 683-2024 The limits and measurement methods of cleanliness for motorcycle and moped engines

This document specifies the cleanliness limits and measurement methods for motorcycle and moped engines and their main components.
This document applies to motorcycle and moped engines (hereinafter referred to as "engines") and their main components.

Publish Date: 2024-11-07

QC/T 549-2024 Active

QC/T 549-2024 Vehicle alarm

This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage for reversing alarms and right-turn warning alarms for automobiles.
This document applies to reversing alarms for N2, N3, M2 (with a maximum design total mass of more than 3,500 kg) and M3 class automobiles, and right-turn warning alarms for N class vehicles (hereinafter collectively referred to as alarms). Other motor vehicles shall refer to and implement these requirements accordingly.

Publish Date: 2024-11-07

QC/T 780-2024 Active

QC/T 780-2024 Motorcycles radiator

This document specifies the requirements and test methods for motorcycle radiators.
This document applies to radiators used in motorcycles and mopeds equipped with water-cooled gasoline engines (hereinafter referred to as "radiators").

Publish Date: 2024-11-07

QC/T 686-2024 Active

QC/T 686-2024 The combined crankshaft and connecting rod assembly for motorcycle and moped engines

This document specifies the technical requirements, inspection methods, and inspection rules for the combined crankshaft-connecting rod assembly of motorcycle and moped engines.
This document applies to the combined crankshaft-connecting rod assembly (hereinafter referred to as the "crankshaft-connecting rod assembly") of motorcycle and moped engines, as well as its components.

Publish Date: 2024-11-07

QC/T 821-2024 Active

QC/T 821-2024 Automotive temperature sensor

This document specifies the requirements, test methods, inspection rules, marking, packaging, storage, and maintenance of temperature sensors for automobiles (hereinafter referred to as "sensors").
This document applies to temperature sensors for M, N, and O-class automobiles, including engine coolant temperature sensors, oil temperature sensors, engine intake air temperature sensors, and environmental temperature sensors. Other automotive temperature sensors should be implemented in accordance with this document.

Publish Date: 2024-11-07

QC/T 734-2024 Active

QC/T 734-2024 Technical requirements and test methods for sealing performance of motorcycle and moped engines

This document specifies the technical requirements, test methods, and inspection rules for the sealing performance of motorcycle and moped engine.
This document is applicable to motorcycle and moped engines (hereinafter referred to as "engines").

Publish Date: 2024-11-07

QC/T 822-2024 Active

QC/T 822-2024 Automotive pressure sensor

This document specifies the requirements, test methods, inspection rules, marking, packaging, storage, and maintenance for pressure sensors used in automobiles (hereinafter referred to as "sensors"). This document applies to pressure sensors used in M and N-class automobiles, including engine lubricating oil pressure sensors, engine intake pressure sensors, brake system pressure sensors, air conditioning pressure sensors, low-pressure fuel supply pressure sensors, and urea line pressure sensors. Other pressure sensors and pressure sensors used in other motor vehicles shall be implemented in accordance with this document.

Publish Date: 2024-11-07

QC/T 738-2024 Active

QC/T 738-2024 Electric horn for motorcycles and mopeds

This document specifies the technical requirements, test methods, and inspection rules for electric horns used on motorcycles and mopeds.
This document applies to electric horns powered by direct current or alternating current used on motorcycles and mopeds (hereinafter referred to as "electric horns"). The electric horns specified in this document are limited to sound signal devices used to warn pedestrians and attract the attention of other vehicles, and do not include car entertainment audio systems.

Publish Date: 2024-11-07

QC/T 823-2024 Active

QC/T 823-2024 Automobile and motorcycle level sensor

This document specifies the requirements, test methods, and inspection rules for fuel level sensors for automobiles and motorcycles, as well as urea level sensors for automobiles (hereinafter referred to as "sensors").
This document is applicable to fuel and urea level sensors (resistance type) for automobiles and motorcycles. Other liquid level sensors for motor vehicles should be implemented in accordance with this document.

Publish Date: 2024-11-07

QC/T 757-2024 Active

QC/T 757-2024 Passenger car-trailer combinations

This document specifies the performance requirements and test methods for passenger cars (hereinafter referred to as "passenger cars") that can tow center-axle trailers, as well as passenger train combinations as stipulated in GB/T 3730.1.
This document applies to passenger cars, center-axle trailers, and passenger train combinations that can tow center-axle trailers.
Multi-purpose trucks and multi-purpose truck combinations that can tow center-axle trailers shall refer to and implement this document accordingly.

Publish Date: 2024-11-07

QC/T 917-2024 Active

QC/T 917-2024 Manual valve for gas vehicles

This document specifies the definition, technical requirements, test methods, and marking of dedicated manual shut-off valves for gas-powered vehicles (hereinafter referred to as shut-off valves).
This document applies to automotive compressed natural gas (CNG) shut-off valves with a nominal working pressure not exceeding 35 MPa (all pressures mentioned in this document refer to gauge pressure), an ambient temperature of -40 ℃ to +85 ℃, and a working medium that meets the requirements of GB 18047, as well as automotive liquefied petroleum gas (LPG) shut-off valves with a nominal working pressure not exceeding 2.2 MPa, an ambient temperature of -40 ℃ to +85 ℃, and a working medium that meets the requirements of GB 19159.

Publish Date: 2024-11-07

QC/T 721-2024 Active

QC/T 721-2024 Non-electrolytically applied zinc flake coatings for automobile

This document specifies the general performance, protection grade requirements, pattern markings, and application scope of non-electrolytic zinc flake coatings for automobiles. This document is applicable to the surface protection of automotive parts made of steel, aluminum, and zinc alloys.

Publish Date: 2024-07-19