药筒机械性能是决定药筒战斗性能的重要指标,抗蚀性则是决定药筒在长期储存中(10～15年)能否经受各种复杂气候而不发生腐蚀破坏的标志。我厂生产的大口径药筒材料为四六铁黄铜,生产中发现抗腐蚀破坏试验结果不稳定,机械性能也不理想。本文 The mechanical properties of the cartridge are important indicators that determine the performance of the cartridge, while the corrosion resistance is a sign that determines whether the cartridge can withstand various complex climates without corrosion damage during long-term storage (10-15 years). The large caliber cartridges made by our factory are made of 46 iron brass. The test results of corrosion resistance are unstable and the mechanical properties are not satisfactory. This article