GB/T 23308-2009 in English

《GB/T 23308-2009架空绞线用铝-镁-硅系合金圆线》由TC422（全国裸电线标准化技术委员会）归口，主管部门为中国电器工业协会。
本标准适用于具有不同机械性能和电气性能的两种型号的铝-镁-硅系合金圆线，用于生产架空输
电用绞线。并规定了直径范围为1.50mm~4.80mm的铝-镁-硅系合金圆线的机械性能和电气性能。
这两种型号分别为ＬＨＡ１型和ＬＨＡ２型１）。
１）对应IEC 60104中规定的A 型和B型。
产品表示方法参见附录Ａ。

1 Scope and Normative References

1.1 Scope
This Standard is applicable to aluminium-magnesium-silicon alloy wires of two types having different mechanical and electrical properties for the manufacture of stranded conductors for overhead power transmission purposes. It specifies the mechanical and electrical properties of the above wires in the diameter range 1.50 mm-4.80 mm.
The two types are designated as Type LHA1 and Type LHA2 .
Expressive method of product refers to Appendix A.
1.2 Normative References
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this Standard. For dated references, all of the subsequent amendments (excluding any amendments), or revisions are not applicable to this Standard. However, the parties who enter into agreement according to this part are encouraged to research whether the latest editions of these documents may be applied. For undated references, the latest edition of the referenced document applies to this Standard.
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 60648:1974, MOD)
GB/T 4909.3 Test Methods for Bare Wires - Part 3: Tensile Test
GB/T 4909.7 Test Methods for Bare Wires - Part 7: Mandrel Winding Test
IEC 60028:1925 International Standard of Resistance for Copper