This standard specifies the limit deviations of untoleranced dimensions in automotive parts affected by the welding process. This standard applies to the limit deviations of dimensions and angles without tolerances formed after welding. This standard does not apply to welding dimensions and weld dimensions inspected according to the master model.
QC/T 29087-1992 history
2023QC/T 29087-2023 Permissible welding variation in dimensions without tolerance indication
1992QC/T 29087-1992 The Limit Deviation of the Non-Tolerance Dimensions of Automobile Welding Processed Parts