What metal would be better suited for heat transfer, reliability, and cost...??? I'm currently using Aluminum for a 'hot-wedge'.

3 Answers  

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What is the material of E185

0 Answers   DE,

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Why same casting has different hardness and machineability properties? One spot it is found hard for machining and another spot soft? It is FG 260 grade for Cast Iron.

4 Answers  

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Explain cementite?

0 Answers  

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What is residual stress?

0 Answers  

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where do i get previous question papers of metallurgy?

0 Answers  

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Do you know define what metal might be considered the “most environmental”? I say aluminum because it can be recycled others on my team say brass.

0 Answers  

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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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diffrent beetwen eutoctoid &eutectic steel

8 Answers   KRL, Qatar Steel,

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What Is cold working of metals? Give some of its principal methods.

0 Answers   Essar,

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Why do the Gamma Prime and Gamma Double Prime phases play such an important role in promoting strength in the superalloys?

1 Answers  

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What is galvanising?

0 Answers   NIC,

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