... , high purity , low carbon content APPLICATIONMainly used for Welding RodPHYSICAL CHARACTERAppaeren Density (g/cm3)3.3~3. ... irregular form.High purity , low carbon contentAPPLICATIONMainly used for Welding silksPHYSICAL CHARACTERAppaeren Density (g/cm3)2.7~2. ... purity , low carbon content,good compressibility.APPLICATIONMainly used for low density powder metallurge, soft magnetism powder products. ...