When we do cardonitriding or casehardening operation for a plain carbon steel the case depth, hardness & microstructure are not alike why and what are the basicthing, which makes such a difference.

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what is the composition of grey cast iron grade 20?

2 Answers  

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

0 Answers   Essar,

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Explain stress corrosion cracking?

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What type of grinding is used for harder materials?

0 Answers   NIC,

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What is the specific speed of a pump ?

0 Answers   NIC,

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what is the hardness of ohns before heat treatment process and hardness of en series before heat treatment process

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does any one has gate solutions of 2007,08,09 metallurgical engg papers?

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What is the most ductile metal?

0 Answers   NIC,

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Which method has more procity in cast part? Which method has more strength in cast part?

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Define what kind of cleaning substance or treatments keep or help prevent cast iron from rusting?

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What is a cryogenic fluid?

0 Answers   Essar,

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