Answer / sourabh

A). Grey cast iron: flaky
b). Malleable cast iron: temper carbon
c). Ductile cast iron: nodular

Answer / ravi

flake graphite

Answer / brij

carbide

What are carbides?

0 Answers  

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IS:1239 same code for MS ERW and Seamless pipes ?

1 Answers  

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what metal cord transfers electricity?

0 Answers  

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What are the superalloys used for?

2 Answers  

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A cantilever beam carrying uniformly distributed load will be ?

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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What is iron ferrite and where is it found?

0 Answers  

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Define what other events in history might have affected the growth of metallurgy?

0 Answers  

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

0 Answers  

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What happens to the microstructure during service exposure?

0 Answers  

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What are the characteristics of the thermodynamic stage of a metal?

0 Answers  

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What is the melting point of e70 steel, 304,308,316 stainless steels?

0 Answers  

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