How to melt the solidified copper accretions in copper scrap melting furnace?

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what is the grain size of lead as an element and as an alloy such as lead tin alloy?

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carbon-3.23%,manganese-0.60%,silicon-2.25%,sulphur-0.086% phosphorus-0.122%,chromium-0.04%,nickel-0.10%, molybdenum-trace. WHAT IS THE GRADE OF THIS CAST IORN.

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what is the cause of attenuation due to powerloss

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What does allotropic mean what does iron and steel have to do with it?

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What is or what characterize the thermodynamic state of metal (structure of metal)?

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What are allotropes? What are the allotropes of iron and carbon?

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A plain carbon steel contains 45 wt% of proeutectoid ferrite. Define what is its average carbon content in weight percent? I know that you need to use a tie line in the phase diagram, but my book does not really give a good example to go by

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State some precautions to be taken in case of powder metallurgy?

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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 specific speed of a pump ?

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Do you know define what metal might be considered the “most environmental”? I say aluminum because it can be recycled others on my team say brass.

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