Where is iron ferite used?

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How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? What is the cause of this?

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A plain carbon steel contains 45 wt% of proeutectoid ferrite. Define what is its average carbon content in weight percent? I know that you need to use a tie line in the phase diagram, but my book does not really give a good example to go by

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what is the grain size of lead as an element and as an alloy such as lead tin alloy?

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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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Define what is the grain size of lead as an element and as an alloy such as lead tin alloy?

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What is investment casting?

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Why same casting has different hardness and machine-ability properties?

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

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Define stiffness.

0 Answers   Essar,

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What is the difference between DI pipes, Cast Iron pipes, LA Pipes, SW pipes, SWR Pipes, RCC hume pipe, RCC spun pipe ? What are their IS codes and applications ?

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How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny?

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