... our friends to be best enterprises.Detailed Information of Manganese Brass: GBISOASTMJISDINBSHMn58-2---------------CuZn40Mn-----HMn57-3-1CuZn37Mn3AI2SiC67400---------------HMn55-3-1-------------------------Size ... -resistant, corrosion-resistant, easy machining. Mainly used in automobile synchronizer ring gear, marine pumps, valves, structural parts, attachment, and so forth ...