At present, the zircaloy-4 cladding tubes fabricated by low temperature process can meet the technical requirement, and can ensure the safety of nuclear reactor during its life cycle.

• 目前采用低温加工工艺生产的锆-4合金包壳管已达到技术条件要求,保证了反应堆在燃耗寿期内的安全运行。