The technological means to improve the performance of sa573 gr.65 high strength structural steel

sa573 gr.65 high strength structural steel, No. 55 steel executive standard: implement the GB standard GB/T699. Reference equivalent steel grades: Russia ROCT 55; America ASTM 1055, UNS G10500; Britain BS 1C55/070M55/060M57; France NF 1C55/XC55/XC48TS/CC55; Germany DIN 1C55/CK55/CM55; Japan JIS S55C/ S58C; International ISO C55E4/Type SC/Type DC.

Heat treatment is a very important process to improve the performance of sa573 gr.65 high strength structural steel etc. metal materials. The process of heating, heat preservation and cooling the steel in solid state to obtain the required structure and properties.

The company celebrates Hong Kong-Zhuhai-Macao Bridge Opening. In October 23th, 2018, Chinese President Xi Jinping announced the opening of the Hong Kong-Zhuhai-Macao Bridge (HZMB) in Zhuhai, South China’s Guangdong Province. The HZMB is a 55-kilometre (34 mi) bridge–tunnel system consisting of a series of sa573 gr.65 high strength structural steel three cable-stayed bridges, an undersea tunnel, and four artificial islands. Hong Kong-Zhuhai-Macao Bridge is the world’s longest sea-crossing bridge connecting Hong Kong, Macao, and Zhuhai—three major cities on the Pearl River Delta.