Define what is the casting and forging?

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What is gold investment casting?

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Explain any method through which molds can shine after casting?

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what is a rate controlling step ? how is it dependent on reaction path ? explain with an example.

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white rust formation over zinc plated and passivated fasteners during CED coating. WHY?

1 Answers   Wheels India,

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what are metallurgical microscopes?

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What is chemical composition and mechanical properties of IS 2004,Gr-3 and IS 305 AB-2?

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Explain rupture stress

0 Answers   NIC,

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What is hot working of metals? Give some of its principal methods.

0 Answers   Essar,

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What is the use of damper?

0 Answers   NIC,

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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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Can 1026 steel be welded?

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