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See Chinese contents: QC/T 991-2015 QC/T 991-2015: Passenger cars. Light alloy wheels. 90-degree impact test procedure
This standard specifies two laboratory test methods, I and II, to assess the strength and safety performance of the wheel when the wheel is subjected to the impact perpendicular to the axis. It may select either of the two methods to carry out test. This standard applies to light alloy wheels of passenger cars.
