摘要
对试验用X70级管线钢的焊接性进行了详尽的分析,在-30℃低温环境下进行了两种焊接工艺试验,根据相应的常规力学性能试验、金相检验和硬度测试结果,提出了-30℃低温环境下可行的两种焊接工艺及其相应的工艺参数和技术措施。
The weldability of X70 grade steel is analyzed in detail,and also two kinds of feasible welding tests under-30℃ low temperature environment are conducted,according to the result of general mechanical test,metallographic examination and hardness test,two feasible welding procedures and relevant welding parameter,as well as technique measures under-30℃ low temperature environment are put forward.
出处
《焊管》
2008年第5期36-41,共6页
Welded Pipe and Tube
关键词
-30℃低温环境
X70级钢管
焊接工艺
-30℃ low temperature environment
X70 grade pipe
welding procedure
