GB/T 11019-2021 Nickel coated round copper wire English
1 Scope
This document specifies the type, specification, grade and expression method of nickel coated round copper wire, technical requirements and test methods for materials, coatings, dimensional deviation, elongation, resistivity and joints, as well as inspection rules, packaging and marking.
This document is applicable to Nickel coated round copper wires used for making electric wires/cables and electrical products.
2 Normative References
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 3048.2 Test methods for electrical properties of electric cables and wires - Part 2: Test of electrical resistivity of metallic materials
GB/T 3953 Round copper wire for electrical purposes
GB/T 4909.2 Test methods for bare wires - Part 2: Measurement of dimensions
GB/T 4909.3 Test methods for bare wires - Part 3: Tensile test
GB/T 4909.9 Test methods for bare wires - Part 9: Test for continuity of coating - Sodium polysulfide solution method
GB/T 4909.11 Test methods for bare wires - Part 11: Test for adherence of coating
GB/T 6516 Electrolytic nickel
3 Terms and Definitions
No terms and definitions are listed in this document.
4 Type, specification, grade and presentation method
4.1 Model
The type number of nickel coated round copper wire is: TRN.
4.2 Specification
The specification of nickel coated round copper wire is expressed in nominal diameter (see Table 2).
Contents Foreword i 1 Scope 2 Normative References 3 Terms and Definitions 4 Type, specification, grade and presentation method 5 Material 6 Coating 7 Diameter deviation 8 Elongation 9 DC resistivity at 20 °C 10 Joint 11 Inspection rules 12 Packaging and marking Annex A (Informative) Specifications of nickel coated round copper wires commonly used abroad and coating thicknesses corresponding to different grades Annex B (Normative) Determination of nickel content - Electronic method Annex C (Normative) Method for determination of nickel content Chemical method
