铬钼钢制压力容器小口径弯头组件环缝不锈钢堆焊研究  

Circumferential weld stainless-steel cladding procedure technology research of small-bore elbow subassembly for high-pressure vessel made of Cr-Mo steel

作　　者：马鸣[1] 刘一斯 李春光[1] 

机构地区：[1]哈尔滨锅炉厂有限责任公司,黑龙江哈尔滨150046

出　　处：《锅炉制造》2017年第1期56-59,共4页Boiler Manufacturing

摘　　要：小口径90°弯头组件内壁的不锈钢堆焊是铬钼钢制压力容器的制造难点和关键工序之一。通过研究产品结构设计特点和技术要求,自主研发专用工艺装备并充分利用现有焊接设备与之协调配合进行调试及堆焊工艺研究,同时经过专业的焊工培训及练习,最终成功实现了该产品不锈钢堆焊,焊缝无损检测合格率达100%。此项小口径弯头组件不锈钢堆焊工艺研究的成功将为公司类似产品顺利制造提供有效的技术支持和保障。The stainless-steel cladding of inner wall about small-bore elbow subassembly is one of the difficulties in the fabrication and the key point of the technology working procedure for high-pressure vessel made of Cr-Mo steel.By means of conducting an investigation in the structural characteristics of this product and technical procedure,and researching and developing independently for technical equipment measures and tools by making full use of existing welding equipment for debugging and researching into cladding technology,meanwhile,after professional the training and practice of welders,the acceptable results of product stainless steel cladding has been achieved successfully,thus the eligible rate of weld pass was 100%.The successful achievement in research for the stainless-steel cladding of inner wall about small-bore elbow subassembly is expected to provide effective technical support and guarantee service in order to achieve similar products manufactured favourably for company.

关 键 词：铬钼钢 弯头堆焊 不锈钢 工艺装备 

分 类 号：TG422[金属学及工艺—焊接]