This standard specifies two laboratory test methods I and II, which are used to evaluate the strength and safety performance of wheels when they are impacted perpendicular to the axis There are two methods, choose one for testing. This standard applies to light alloy wheels for passenger cars.
QC/T 991-2015 Referenced Document
GB/T 2933 Wheels and rims for pneumatic tyres.Vocabulary,designation and marking
QC/T 991-2015 history
2015QC/T 991-2015 Passenger cars.Light alloy wheels.90° impact test procedure