Xuanda

Materials of Construction - XDSS Alloy System
December 15, 2023

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Recently, the company's research and development center has produced new results. Under the leadership of the principal researcher Professor Liu Huan 'an, a new type of high temperature concentrated sulfuric acid ferritic stainless steel XDS-7-2 containing only a small amount of nickel has been successfully developed. Xds-7-2 through various tests, corrosion resistance and mechanical properties of excellent, can completely replace some higher nickel containing more expensive austenitic stainless steel, and can improve the competitiveness of the product to achieve greater economic benefits.

According to introduction, due to the low nickel content of XDS-7-2, can greatly reduce the cost of alloy; Its yield strength is much higher than that of austenitic stainless steel. The equipment and components designed based on the yield limit of materials can appropriately reduce their wall thickness, thus reducing the material, reducing the cost of installation, maintenance and transportation, and further reducing the cost of equipment. In addition, XDS-7-2 has high hardness, heat treatment precipitation hardening, and excellent wear and corrosion resistance, so the equipment manufactured by XDS-7-2 is completely in line with the modern material design concept, and can play its maximum utility in LCC (Life Cycle cost). Xds-7-2 can be used in various high temperature concentrated sulfuric acid working conditions, such as drying tower, absorption tower, low temperature heat recovery tower and pump valve pipeline and other equipment, the application prospect is broad.

Technological innovation is the driving force of enterprise development, the company has a full understanding of this, for many years has been sparing no effort to collect intellectual resources, build a first-class technical personnel team, actively develop new materials and new products, enrich the product line, improve the added value of products. Over the years, the enterprise independently developed a number of national new products.


Sulphuric Acid on the Web^TM	Technical Manual	DKL Engineering, Inc.