【摘要】 JB/T4 74 6— 2 0 0 2《钢制压力容器用封头》是我国第一部完整和统一的压力容器封头标准。本文根据标准并参照有关国外同类标准 ,对该标准的实施和质量控制要求作一综述 ,以期标准得以顺利过渡和提高我国封头的制造水平 ,同时对有关问题的处理方法提出一些建议 ,作为以后修订和充实标准的参考。更多还原

【Abstract】 Formed heads for steel pressure vessels is the first complete and unite standard about head plate. According to the standard and consulting correlation similar standard of abroad, giving a summary of implement and the requirement of quality control was presented, so that the standard could be transition all right and improving the level of head manufacture for our country. At the same time, some advices on settle means of correlation questions was put forward, and consult for revising and enriching the standard was offered.更多还原