... Cu >= 98% , Sn <=1%, Si<= 0.5% , Mn<= 0.5% , Zn ----- , Ni ------, P <=0.15%HS211: Cu Bal. ,Sn ------- , Si ... 2.8%--4.0% Mn 0.5%--1.5% , Zn ----- , Ni ----- , P-----HS221: Cu 59%--61%, Sn 0.8%--1. ... 1%--0.3% , Zn Bal Ni 0.3%-- 0.5%, P----HL105: Cu57%--59%, Sn 0.15% , Si ----, ... Mn3.7%--4.3% , Zn Bal. , Ni------ , P ------5) Main Usage:HS210: Suited For gas welding, oxy-acetylene brazing ...