Product Design Materials

Ferrous

• Contains iron
• Will corrode unless protected
• Attracted by a magnet

Non-Ferrous

• Don't contain iron,
• Does conatin aluminium, copper, tin and lead

Pure metals 

• Metals in thier basic form

Alloys

• A mixture of two or more metals
• Alloys can change the melting piont 
• Increase strengh and hardness 
• Enhances resistant to corrision and oxidation

Joining metals

• Bolts, nuts and washers used where a joint needs to be taken apart.
• Soldering, used for copper, brass and aluminuim. 
• Brazing, works by running a filler rod over a hot metal…