2) Explain the meaning of 4 different alloy codes by giving the composition and temper condition....

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Mechanical Engineering

2) Explain the meaning of 4 different alloy codes by giving thecomposition and temper condition. State the applications in whichthese alloys can be used and explain the reasons why these alloysshould be used in these specific applications.

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The wrought and cast aluminums have different systems of identification the wrought having a 4digit system and the castings having a 3digit and 1decimal place system For wrought alloys the first digit Xxxx represents the principal alloying element that has been added to aluminium and is used to describe the aluminium alloy series 1000 series 2000 series and so on up to 8000 series The second single digit xXxx if different from 0 indicates a modification of the specific alloy and the third and fourth digits xxXX are arbitrary numbers given to identify a specific alloy in the series Series 1000 is 99 Al Series 2000 is copper series 3000 is maganese series 4000 is silicon series 5000 is magnesium series 6000 is magnesium and silicon and series 7000 is zinc For cast alloys the first digit Xxxx indicates the principal alloying element which has been added to the aluminum alloy The second and third digits xXXx are arbitrary numbers given to identify a specific alloy in the series The number following the decimal point indicates whether the alloy is a casting 0 or an ingot 1 or 2 There are also alloys See Answer

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