ICS 39.040.10 Y 11 Registered number:42298-2013 QB Light Industry of the People's Standard Republic of China QB/T2047—2013 ReplaceQB/T2047—2007 Metal watch bracelets 金属表带 (Eng/ish Trans/ation) Issue date:2013-10-17 Implementation date:2014-03-01 Issued by Ministry of Industry and Information Technology of the People's Republic of China QB/T 2047—2013 Foreword SAc/TC 160 is in charge of this English translation. In case of any doubt about the contents of English translation, the Chinese original shall be considered authoritative This standard is drafted in accordance with the rules given in the GB/T 1.1—2009. This standard replaces the QB/T 2047—2007 Meta/ watch bracelets in whole. The following technical deviations have been made with respect to the QB/T 2047-2007: Modifythe classification(see Clause 3); Modify the requirements and test methods for "Appearance", and merge "Shape","Surface roughness","Surface", etc.into this entry (see 4.1,5.2); Add the requirements and test methods for "Dimensions"(see 4.2, 5.3); Modify the requirements and test methods for "Longitudinal static tension" (see 4.3 5. 4) ; Delete the requirements and test methods for "Buckle"(see 4.11, 5.10 in Edition 2007) Modify the requirements and test methods for "Corrosion resistance"(see 4.12,5.13); 5. 14) ; Add the requirements and test methods for"Nickel release"(see 4.14, 5.15); Modify the"Equipment"(see 5.1.2); Modify the test methods for"Drop resistance"(see 5.9); torsion fatigue", and modify the test methods (see 4.9, 5.10); Modify the test methods for"Resistance to swing fatigue"(see 5.11); Modify the rules of "Delivery inspection"(see 6.2); Modify the rules of "Type inspection" (see 6.3); Add the inspection rules of "Nickel release" (see 6.4); Add the normative annex of "Wear test using moving ceramic chips"(see Annex A) This standard was proposed by the China Light Industry Council. Standardization Administration of China. This standard was issued in 2007 as first edition, and this is the first revision. QB/T2047—2013 Metal watch bracelets 1 Scope This standard specifies the classification, requirements, test methods, inspection rules, marking, packaging, transport and storage of metal watch bracelets (hereinafter referred to as"the bracelet"). This standard is applicable to various bracelets made of metal and alloy materials. It can also be used as a reference for bracelets made of hard non-metallic materials. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendment) applies. indexedbyacceptance qua/ity/imit (AQL)for /ot-by-/ot inspection (GB/T2828.1—2012,IS0 2859-1: 1999, IDT) GB/T 2829 Samp/ing procedures and tab/es for periodic inspection by attributes (App/y to inspection of process stability) GB/T 4048 Timekeeping instruments -Wristwatches -Dimensions of bracelet-to-case fastening e/ements(GB/T4048—2008,IS03765:1998,IDT) GB/T 6060.3 Surface roughness comparison specimen - Part 3: Spark-eroded, shot-b/asted, grit-blasted,/apped, filedandpo/ished surface GB/T 10111 Generation of random numbers and procedures app/ied to samp/ing inspection for product quality 19719—2005,EN 1811:1998,IDT) QB/T 1901.1 Watch-cases and accessories - gold alloy coverings - Part 1: General requirement(QB/T1901.1—2006,IS0 3160-1:1998,IDT) QB/T 1901.2—2006Watch-cases and accessories-gold a/loy coverings - Part 2. Determination of fineness,thickness, corrosion resistance and adhesion (Is0 3160-2:2003, IDT) QB/T4160——2011Watcheswithjewe/sandpreciousmeta/a//oys 3 Classification 3.1 Classified by structure QB/T2047—2013 solid bracelet,with all links made of solid metal materials; non-solid bracelet, with all or some of the links made of non-solid metal materials. Non-solid bracelet may also be classified further into sheet bracelet, semi-solid bracelet and metal braid