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

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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 metallurgical explanation of effects of chromium, nickel, molybdenum, and carbon in stainless steels?

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The main metal used by the Indus Valley people was

4 Answers   RRB,

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Define what is the strongest metal?

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What does allotropic mean?

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carnot cycle has maximum efficiency for ?

0 Answers   NIC,

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Why are the superalloys used for land-based turbines?

1 Answers  

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What is the minimum temperature for stress relieving of astm a 519 gr.4130 material and please tell us where we can find the location.

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The size of shaper is specified by ?

0 Answers   NIC,

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

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What is iron ferrite?

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