Zobrazeno 1 - 5
of 5
pro vyhledávání: '"W. E. Amend"'
Publikováno v:
Volume 3: Materials and Joining.
There are more than 2.5 million miles of oil and gas pipelines in the United States, totaling over 330 million girth welds below ground. During construction, girth welds are susceptible to the formation of various defects, one of which is hydrogen-as