Thursday 12 April 2012

Why hinges should be brass only?


Brass hinges are superior to M.S., S.S., or Aluminium hinges. Justify.

ANS:  
1.   Brass is a bearing material. It means there is no erosion of material when brass is sliding over brass.  Whereas M. S., S. S., or Aluminium are not.
2. Brass hinges do not make a sliding noise where as MS or SS do make.
3. Brass hinge is stronger than Al and compared to MS or SS, it does have a comparable strength.
4. M.S. hinge rusts where as brass does not.
5. Aluminium hinge is weak and erodes much faster.

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