Methods of joining metals

Methods of joining metals 

Metal joining is the act or process of sticking two metals together either

 permanently or temporarily with the use of fasteners.

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   There are four methods of joining metals together, these are:

1.  Soldering

2. Welding

3. Riveting

4. Mechanical fastener

1.  Soldering: this is the method or act of melting a solder (alloy) on

    the joint of the two metal. There are two types of soldering

    namely:

     1.Soft soldering

     2.Hard soldering

    solder is an alloy of lead and tin

2. Welding: this is a fabricating process that is used to join metals

    together by melting the work pieces and adding a filler material

    to form a pool of molten material that cools to become a strong

    joint.

    There are two types of welding namely ARC welding and GAS

    welding

3. Riveting: this is a permanent mechanical fastener which when

    installed can not be removed except destroyed. The opposite end

    of the fastener is called BUCK TAIL while the original head is

    called RR  FACTORY HEAD.