This document specifies the terms and definitions, structural types, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and quality commitment of iron-based sintered integral connecting rods for refrigerator compressors. This document applies to iron-based sintered integral connecting rods (hereinafter referred to as connecting rods) for refrigerator compressors.
T/ZZB 3148-2023 history
2023T/ZZB 3148-2023 Iron-based sintered connecting rod for refrigerator compressor