... x L)-8 x 10,10 x 12,12 x 14,14 x 16,16 x 18,18 x 20,20 x 20,20 x 25,25 x 30,30 x 35,35 x ... 40mm.2\Low breakage and ... engineering ,ceramic coating ,light industry ,thermal power plants ,magnetic materials and so on .5\Microstructure :P+C .6\Chemical composition(%):a ...