QC/T 518-2013 Translated English of Chinese Standard. (QCT 518-2013, QC/T518-2013, QCT518-2013): Tightening torque for automotive threaded fasteners [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2019 M02 16 - 24 pages This Standard specifies the tightening torque for automotive threaded fasteners. This Standard applies to fasteners which comply with the following conditions and are tightened using the control torque method. |
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71 industry standards assembly for automotive automotive threaded fasteners band hose clamps basic dimension Clearance hole cone connectors cone plugs QC/T elastic washer Engineering approval evaluation eqv ISO external threaded f,min Flared couplings grade Thread friction head cone QC/T Hexagon outside head implementation date Industry and Information industry are published Information Technology Kmax luboil Male Maximum pretightening force maximum torque Mechanical property grade metallurgical industry method for friction minimum torque coefficient Ministry of Industry Motor vehicles motorcycles and mopeds name and implementation non-ferrous metal prevailing torque type Production Quality QC/T properties of fasteners property grade Thread published by China rare earth requirements and test semi-trailer specification Mechanical property specified in GB/T Spring band hose spring washer standard name Technical requirements Technical Specification tensile test methods Thread friction coefficient Thread Mechanical property Thread specification Mechanical threaded connecting assemblies tightening accuracy grades torque for automotive Torque ratios corresponding washer or elastic