method and arrangement for the manufacture of welded joints of pipes heat resistant steels with a chromium content of 18 to 25.

摘要

tubes for 18 - 25% chromium steels in equipment, such as steam generators for power plants, in wärmeübertragerbündeln welded.so far occur in the wärmeeinflußzonen the welds cracks, which is a specific risk assessment require. shutting down the plant.to avoid the rissentstehung procedures and arrangements of the schweißnahtherstellung with n is described.