GB/T 37568-2019 Translated English of Chinese Standard. (GBT 37568-2019, GB/T37568-2019, GBT37568-2019): Tin-Plated Copper and Copper Alloy StripThis Standard specifies the terms and definitions, technical requirements, test methods, inspection rules, marking, package, transportation, storage, quality certificate and ordering form (or contract) contents for tin-plated copper and copper alloy strip. This Standard is applicable to the tin-plated copper and copper alloy strip for manufacturing the high-end automotive connectors and precision electronic industrial devices. |
Contents
Foreword | 5 |
Technical Requirements | 6 |
Test Methods | 14 |
Inspection Rules | 16 |
Marking Package Transportation Storage and Quality Certificate | 19 |
Appendix A Normative Test Method for Weldability of TinPlated Copper and Copper Alloy Strip VerticalDip Method | 20 |
Copper and Copper Alloy Strip XRay Method | 23 |
Common terms and phrases
A.5 Test alkenone allowable deviation Appearance dimension aThe sum base metal batch by batch batch of tin batch Thickness carried chemical composition analysis Chemical composition mass coating thickness measurement cold processing composition mass fraction Compositions for Designation Continued Table copper alloy strip Copper and Copper Dipping depth elastic H08 form or contract Fracture after break hard H04 hot-dip tinning strip Inspect batch Inspection items listed elements manufactured by H65 Mechanical properties metal of tin Method for Weldability month since receipt negotiation plating layer thickness Processing waste heat provisions of GB/T provisions of Table purchaser requires quality certificate reflow electro-tinning strip roll Side curvature Soft annealing O60 specially-hard H06 strip shall conform supplier Surface quality Table 11 Tensile strength Test Methods Thickness of tin Thickness Range tin plating layer tin plating strip tin-plated copper tinning strip GB/T Vickers hardness test waste heat quenching weldability of tin-plated weldability test X-ray fluorescence YS/T