Surface corrosion of heat-resistant stainless steel tubes imported was analyzed by SEM. EDS. It was shown that the surface corrosion on the tubes resulted from sea-water. And it was also shown that there were welding defects such as shrinkages and cracks. These defects lowered corrosion-resistant ability of the tubes, and accelerated the corrosion.
Physical Testing and Chemical Analysis Part A:Physical Testing
Heat-resistant stainless steel