chain block

Considering the strict requirements of racing bicycle chain, the optimum composition had been selected from the tested steels, using the screen method in laboratory test combined with industrial test.

针对赛车链条用带钢对各种力学性能的苛刻要求 ,通过化学成分筛选试验与工业性生产相结合的方法 ,设计了不同化学成分的试验钢 ,从中优选出合适的合金成分配比方案。