GB/T 12971.2-2008: Translated English of Chinese Standard. GB/T12971.2-2008, GB33460: Trolley and Contact Wires for Electric Traction - Part 2: Aluminum and Steel Composite Trolley and Contact Wires
https://www.chinesestandard.net, 2018 M02 11 - 15 pages
This Part of GB/T 12971 specifies the product models, specifications, materials, test, package and marking, transportation and storage, etc. of aluminum and steel composite trolley and contact wires. This Part is applicable to the aluminum and steel composite trolley and contact wires used for electric transport, lifting system in the railways, mining, urban traffic, etc.
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Aluminium Steel aluminum and steel aluminum profiles Bare Wires batch of products billet isn’t allowed billet or trapezoidal binding force test CGLN contact wires Clause Codes of Aluminum coil composite contact wires Comprehensive breaking force connector contact wire products contact wires CGLW Cross-Section Shape DC resistance Delivery Drums deviation of aluminum Diagram for Exposed diameter to drill Dimension and deviation Dimension Diagram Drums for Electric edition effective gauge length Electric Traction Exit-factory Exposed Deformed Steel Force Test Method GB/T Internal trapezoidal steel JB/T manufacturing length Material Codes meet the requirements package and marking Product model provisions of Table requirements of Table results shall meet routine test Shanghai Shape and Dimension Specification of Aluminum steel composite contact Steel Composite Trolley Steel Contact Wires Steel Profiles Semi-Products Tai’an tensile strength trapezoidal billet Trolley and Contact type test wire-placing Wires and Cables wires can refer Wires for Electric wires shall conform