Urgent notice of YB/T5l97-1993 steel wire rope for aviation industry With the continuous development of aviation industry, the requirement of steel wire rope for aviation industry is higher and higher. In order to ensure the quality of steel wire rope for aviation industry, the Ministry of Industry and Information Technology issued the notice of YB/T5l97-1993 special aircraft steel wire rope on June 20, 1993, which clearly stipulates the technical and quality requirements of the steel wire rope for aviation industry, as follows:
1. The steel wire rope for aviation industry shall comply with the standard of YB/T5l97-1993, and shall be produced by the steel wire rope manufacturer who has obtained the production license issued by the relevant aviation instruction management department.
2. The steel wire rope for aviation industry must be in accordance with the grade specification and quality requirements specified in YB/T5l97-1993. The breaking strength, elongation and other technical indicators must meet the relevant requirements of the standard.
3. The steel wire rope for aviation industry shall be subjected to sampling inspection in accordance with the relevant provisions of YB/T5l97-1993. The sampling inspection results must meet the requirements of the standard.
4. Steel wire rope for aviation industry shall be subjected to performance test such as fatigue, corrosion resistance and tensile test in accordance with the standard. The test results must meet the requirements of the standard.
5. The surface of steel wire rope for aviation industry shall be clean and free from dirt, oil and other impurities, and no oxide layer, broken wires and other defects shall be allowed. After packaging, the barcode must be clearly visible, clearly written and printed on the package.
The above-mentioned notices of YB/T5l97-1993 special aircraft steel wire rope are issued urgently in order to ensure the high and uniform quality of steel wire rope for aviation industry. All steel wire rope manufacturers engaged in this industry should earnestly understand and implement, so as to ensure the safety and reliability of aircraft.
