does any one has gate solutions of 2007,08,09 metallurgical engg papers?

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The requirement for ASTM A217 Gr. WC9 castings for valves components like Body and Bonnet were Normalising at 920+/- 20 Deg. C and Tempring 780+/- 20 Deg. C The specification calls furnace shall be calibtated within +/-14 deg. C The Heat Chart shows minimum temperature for normalising 900 to 920 Deg. C, but maximum temperature 960-990 Deg. C Tempering 780+/-20 Deg. C is within limits and accepted. Casting having integral test bars, heat trated along with castings passed in chemical znalysis and mechanical properties. Since normalising maximum temperature is not meeting specification, where castings can be salvaged or renormalised and retempered to meet specification. Whether it will have affect on remechanical properties testing

0 Answers   Leader Valves,

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What is the chemical composition of ceramic and what is its atomic density?

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We make aluminum moulds by press casting, can u suggest any thing so that the moulds should shine after casting?

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What are the uses of electroplating?

0 Answers   NIC,

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Explain proeutectoid ferrite

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Define what is the difference between stainless steel and alloy steel?

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What is the melting point of brass?

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How do you classify lathes?

0 Answers   Essar,

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where do i get previous question papers of metallurgy?

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For define what reason would an aluminum casting, when applied with a powder coated paint finish, cause a poor finish to the paintwork.

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Define knurling.

0 Answers   Essar,

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