Hot ductility of two kinds of Cr21 lean duplex stainless steels was investigated by high-temperature compression/tension tests in the range from 950 to 1150 ℃,and the results showed the obvious difference between them in hot ductility.

Research progress on welding duplex stainless steels;

Corrosion resistance properties of duplex stainless steels welded joints;

Characteristic of formation and welding for SAF2205 duplex stainless steels bellows is analyzed.

Properties and applications of dual-phase stainless steels;

Cleaning and maintain of dual-phase stainless steel votator;

The forming process research of 2205 dual-phase stainless steel cladding plate, and lays stresses on explosive bonding of the thick cladding layer of 2205 dual-phase stainless steel, control of rolling temperature,the relation with phase proportion,and control of plate shape were introduced,and the experiment results were analysed.

Microstructure and properties of dissimilar weldment between duplex stainless steel and micro-alloyed steel;

Analysis for toughness of 2205 duplex stainless steel pipe welds;

Fabrication technology of high nitrogen austenite layer on surface of duplex stainless steel;