Stainless Steel 321H is a high-carbon variant of 321H stainless steel that has been designed to perform better in high-temperature and aggressive environments than others. It contains titanium, whose oxide layer gives a tough and stable layer that enhances its corrosion and oxidation resistance. It is used in high-temperature conditions where other stainless steel grades perform poorl... https://www.globalsteelindustries.com/stainless-steel-321h-sheets-plates-manufacturers-suppliers-stockists-exporters.html