ALLOY flat hammer 1)high manganse steel,high chrome casting iron,alloy steel,carbon steel... 2)application:machinery in metal flat ... hammer:We are one of the leading casting companies in our country ,which have cooperating with Sandvik, ... on3) Material::high manganese steel:Mn13%,Mn18%.,Mn24%High chromium iron:Cr20,Cr24upCarbon Steel4) Production quality testing equipment:LOBF direct- ...