Define what are the properties and application of manganese steel?

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

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Define rivets.

0 Answers   Essar,

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What is tack welding ?

0 Answers   Essar,

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Define what are the compositions of brass, how can this metal be heat-treated, define what is the melting point of this metal?

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Will aluminum alloy like 380 or 356 settle? Meaning while in “liquid form” above melting point will the heavier elements like copper, fe, silicon, zinc etc. Settle to the bottom of the liquid/molten aluminum after a period.

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what is the strongest metal? How would a salt and water solution clean a penny but a vinegar and salt solution will not clean a penny? Define what is the cause of this?

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What is the use of gap(snap)gauge

0 Answers   NIC,

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1)We are using OHNS material for manufacturing Thread & plain Gauges.What is the excat composition of OHNS for Gauges? 2)Which is the reference standard book for OHNS Material composition for Gauges?

0 Answers   Sail,

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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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Which pump is preferred for small discharge at high pressure?

0 Answers   NIC,

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diffrent beetwen eutoctoid &eutectic steel

8 Answers   KRL, Qatar Steel,

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