Hard-drawn aluminium wire for overhead line conductors
1 Scope
This standard specifies the mechanical and electrical properties of hard-drawn aluminium round wire with nominal diameter ranging from 1.25 mm to 5.00 mm and hard-drawn aluminium molded wire with nominal equivalent diameter ranging from 2.00 mm to 6.00 mm. Hard-drawn aluminium wire is classified into four resistance levels, namely L, L1, L2 and L3. The hard-drawn aluminium wire is classified by section shape into round wire and molded wire.
This standard is applicable to hard-drawn aluminium wires for the manufacture of stranded conductors for overhead power transmission purposes.
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 amendments) applies.
GB/T 3048.2-2007 Test methods for electrical properties of electric cables and wires - Part 2: Test of electrical resistivity of metallic materials (IEC 60468：1974，MOD)
GB/T 4909.2-2009 Test methods for bare wires - Part 2: Measurement of dimensions
GB/T 4909.3-2009 Test methods for bare wires - Part 3: Tensile test
GB/T 4909.7-2009 Test methods for bare wires - Part 7: Mandrel winding test
3 Electrical properties
The electrical properties of the hard-drawn aluminium wire shall meet those specified in Table 1. See Annex A for the method for representing models of hard-drawn aluminium wire.
GB/T 17048-2017 The following standards are cited：
