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 the Equivalent for 9.81 kgf= ?

0 Answers   NIC,

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What affect would increasing the charpy impact toughness on an object have on the surface of an object it strikes if all else remains the same? Would it cause moredamage to the object it strikes?

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

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What is a boring tool ?

0 Answers   Essar,

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Explain dislocation theory?

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diffrent beetwen eutoctoid &eutectic steel

8 Answers   KRL, Qatar Steel,

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sir.I am OBC candidate,recieved scholarship/freeship during academic year 2011-2012,2012-2013(my yearly income was below 4.5 lakh).my yearly income during academic year 2013-2014 was above 4.5 lakh.should I get scholarship/freeship in academic year 2013-2014 ?

1 Answers  

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what are different grades of mild steel available for making machine structure (housing)

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Explain the uses of iron ferrite?

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

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what is proeutectoid ferrite and cementite?

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