Application（S221） Suitable for brass, copper gas welding as filling material, also widely used in brazing steel, cast iron and embedded carbide tools.It can also be used as the surfacing material of ...

† Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, People’s Republic of China ‡ State Key Laboratory of Organometallic Chemistry, Shanghai ...