-50℃用15MnNiNbDR钢制2000m^3液氨球罐焊接工艺  

Welding Procedure for 2000 m^3 Liquid Ammonia Steel Spherical Tank Using 15MnNiNbDR Steel

作　　者：黄金祥 马宁 

机构地区：[1]武汉一冶钢结构有限责任公司压力容器分公司,湖北武汉430083

出　　处：《石油化工设备》2009年第4期60-63,共4页Petro-Chemical Equipment

摘　　要：采用-50℃的15MnNiNbDR国产钢用于2 000 m3液氨球罐的制造,针对低温容器钢的特点,制定出了合理的焊接工艺,满足了液氨球罐焊接接头的低温冲击韧性要求。15MnNiNbDR was to be used for 2 000 m^3 spherical tank at --50℃. During fabrication, appropriate welding procedure to meet the toughness requirement for low temperature impact test of welding joint on spherical tank was established.

关 键 词：低温球罐 15MnNiNbDR 焊接工艺 低温韧性 

分 类 号：TG44[金属学及工艺—焊接]