GB/T 15159-2020 (English Version) PDF

Scope: This standard specifies the classification and marking, technical requirements, test methods, inspection rules and markings, packaging, transportation, storage, quality certificates and order (or contract) contents of precious metals and their alloy composite strips. This standard is applicable to composite strips with precious metals and their alloys as cladding materials and copper or copper alloys and expanded alloys as base materials used in the fields of high and low voltage electrical appliances, military industry, aerospace, electronics, communications, home appliances, automobiles, etc. material.

GB/T 15159-2020 Referenced Document

GB/T 15077 Geometric size measuring methods of precious metals and their alloy materials
GB/T 5231 Designation and chemical composition of wrought copper and copper alloys*， 2022-03-09 Update
GB/T 5235 Designation and chemical composition of wrought nickel and nickel alloy*， 2021-08-20 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
YB/T 5231 Sealed iron-nickel-cobalt alloys with permanent expansion
YB/T 5235 Sealed iron-nickel-chromium, iron-nickel alloy with permanent expansion

2020 GB/T 15159-2020 Composite material strips of precious metals and their alloys
2008 GB/T 15159-2008 Composite material strips of precious metals and their alloys
1994 GB/T 15159-1994 Composite material strips of precious metals and their alloys