大型低温LNG储罐用ENiCrMo-6焊条的研制  

Development of nickel based alloy covered electrode ENiCrMo-6 for giant LNG cryogenic storage tank

作　　者：陈燕[1] 张学刚[1] 陈佩寅[1] 徐锴[1] 胡鹏亮 

机构地区：[1]机械科学研究院哈尔滨焊接研究所,150028

出　　处：《焊接》2016年第10期50-52,71,共3页Welding & Joining

基　　金：黑龙江省科研机构创新能力提升专项计划项目(YC2015D009)

摘　　要：通过合理调整药皮中碳酸盐、氟化物及氧化物的比例,添加适量的稀土,合理控制熔敷金属合金元素的含量,研制出大型低温LNG储罐用ENiCrMo-6焊条。其工艺性良好,能够实现全位置焊接,各项性能均满足技术要求,具有优异的低温冲击韧性及抗热裂纹性能。Nickel based alloy covered electrode ENiCrMo-6 for giant LNG cryogenic storage tank was developed by reasonably adjusting ratio of carbonate,fluoride and oxide in the electrode,adding proper amount of rare earth and controlling alloying element content of deposited metal. The results showed that all performances can meet with the requirement which exhibited good technological performances in all position welding,excellent low temperature impact toughness and hot cracking susceptibility.

关 键 词：镍基合金焊条 全位置焊接 低温冲击韧性 抗热裂纹性能 

分 类 号：TG422.1[金属学及工艺—焊接]