QC/T 631-2009
Automotive exhaust muffler assembly technical specification and test methods (English Version)

Standard No.

QC/T 631-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

Professional Standard - Automobile

Latest

QC/T 631-2009

Replace

QC/T 631-1999 QC/T 630-1999

Scope

This standard specifies the terms and definitions, technical conditions, test methods, inspection rules, marking, packaging, transportation and storage of automobile exhaust muffler assemblies. This standard applies to exhaust muffler assemblies for Class M and Class N motor vehicles.

QC/T 631-2009 Referenced Document

• GB/T 15089-2001 Classification of power-driven vehicles and trailers
• GB/T 15173-1994 Sound calibrators
• GB/T 18297-2001 Performance test code for road vehicle engines
• GB/T 3785-1983 Electric,sonic properties and measuring methods for sound level meters
• GB/T 3947-1996 Acoustical terminology

QC/T 631-2009 history

• 2009 QC/T 631-2009 Automotive exhaust muffler assembly technical specification and test methods
• 1999 QC/T 631-1999 Specifications for the performance of automobile exhaust mufflers

QC/T 631-2009 Automotive exhaust muffler assembly technical specification and test methods has been changed from QC/T 630-1999 Performance test method of automobile exhaust muffler.