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

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Define what is carbide?

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Define what are the properties and application of manganese steel?

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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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What is iron ferrite and where is it found?

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When using mercury to recover very, fine gold from ore, what is the best way to separate the gold laden mercury from the ore?

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Which liquid would oyu use to dissolve gold?

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What is investment casting?

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How is solution annealing carried out? What type of furnace is required?

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What metal cord transfers electricity, and how can I tell?

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what is the different between ferrite percentage and ferrite number?

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