1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, package, transportation and storage of copper drawing stock for electrical purpose.
This standard is applicable to circular cross sectional copper drawing stock in diameter from 6.0 mm to 35.0 mm, of copper conductors for further drawing wire or other electrical purpose.
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 230.1 Metallic Rockwell hardness test — Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T)
GB/T 238-2002 Metallic materials — Wire — Reverse bend test
GB/T 467 Copper cathode
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 4909.2 Test methods for bare wires — Measurement of dimensions
GB/T 4909.3 Test methods for bare wires — Tensile test
GB/T 4909.4 Test methods for bare wires — Torsion test
GB/T 5121(all parts) Methods for chemical analysis of copper and copper alloys
3 Requirements
3.1 Classification
3.1.1 Designation, state and specification
The designation, state and specification of copper drawing stock shall be in accordance with those specified in Table 1.
