How do you express pitch of gears?

0 Answers   Essar,

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any input on how to spec out(if possible) a larger grain structure(3/8" or larger) on a Al 6061 forging material.

0 Answers   Novellus,

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Does case harden steel properties detoriates over time? Especially for guns, parts like bolt carrier, the brand new parts has been kept for 10 year and properly oiled. I am worried about its surface hardness to take the blow during firing.

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How to calculate heat affected zone in weld?

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Why cutting fluid is used in machining?

0 Answers   NIC,

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What kind of shell systems are used for investment casting?

2 Answers  

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

0 Answers  

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Explain cementite?

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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What is Redlich Kwong equation?

0 Answers   Essar,

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What is Vacuum Induction Melting ?

3 Answers  

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How can you separate gold from mercury?

0 Answers  

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