It is reported that Chinese SS major TISCO has recently developed new stainless steel products and filled the domestic gap.

One of the new products, super austenitic 904 L hot rolled stainless steel plate, has very good corrosion resistance, particularly in the phosphoric acid and sulphuric acid environment has an excellent comprehensive anti-corrosion property, can be widely used in chemical industry, sewage treatment and paper industries etc. At present, TISCO is the first enterprise in China that can realize batch production of super austenitic 904 L hot rolled stainless steel plate.

Another high value added stainless steel product, ultra pure ferrite stainless steel 446 also fills the domestic gap. It has good corrosion resistance, crevice corrosion resistance and sulfide corrosion resistance etc, has good prospect in the application of domestic power stations.
At present, TISCO has become the only one enterprise that can produce super austenitic, super duplex, super ferrite and super martensitic stainless steel at the same time.