GB/T 38955-2020
ActiveCarbon contact strips for urban rail transit vehicles
城市轨道交通车辆用炭滑板
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and packaging for carbon contact strips used in urban rail transit vehicles. It is applied in the manufacturing and quality control of carbon sliding contacts that collect current from overhead catenary wires in subway and light rail systems. The standard ensures reliable electrical conductivity and wear resistance under high-voltage, high-friction operating conditions.
Related Standards
GB/T 8719-1997
Generalrule for packing， marking， storage， transport and quality certificates of carbon material and products
GB/T 9973-2006
Test method for permeability of carbon materials
GB/T 8722-2008
Method for the determination of thermal conductivity of graphite materials at median temperature
GB/T 3074.3-2008
Method for the determination of the oxidation resistance of graphite electrodes
GB/T 3074.2-2008
Method for the determination of the elastic modulus of graphite electrodes
GB/T 3074.1-2008
Method for the determination of the flexure strength of graphite electrodes
GB/T 6155-2008
Carbon materials-determination of the true density or porosity
GB/T 8721-2009
Method for the determination of tensile strength of carbonaceous materials
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.