What is the difference between diagrams of it and ct in heat treatment of steels?

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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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How is metal heavy?

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We make aluminum moulds by press casting, can you suggest any thing so that the moulds should shine after casting?

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acetylene is stored in ?

0 Answers   NIC,

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How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution? Is it effective on purity of gold in reduction step? Whatis the ratio of dbc to oxalic acid solution in this step?

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

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What is the difference between IS:2062-92 Gr A and IS:2062 Fe 410

1 Answers   M&M Associates, MM Enterprises,

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Define what metal cord transfers electricity?

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How much gold concentration should be in the organic phase (dbc) before reduction by oxalic acid solution?

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What is the composition of cast grade iron 35?

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