Revision instruction of YB/T 5183-2023 Profiled wires for automobile annex,internal combustion engine and flexible axle
To introduce task source,working procedure,revision principle and basis of industry standard Profiled wires for automobile annex,internal combustion engine and flexible axle,and explains main opinions or suggestions in discussion and approval meetings.Compared with 2006 old standard,2023 new standard adds new varieties of 62A,72A,72B and 0Crl8Ni9 products.At the same time,it adds Rockwell hardness and its test method.It requires that finished wire is not allowed to be welded.Allowable deviation of profiled wires for car window regulator and seat angle adjuster is listed sepa-rately.Allowable deviation is smaller,accuracy is higher,comprehensive performance of product is better,and classifica-tion is more reasonable