IS:1239 same code for MS ERW and Seamless pipes ?
what is the difference beteeen Annealing and stress releaving
What is heat treatment?
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.
Explain proeutectoid ferrite
When using mercury to recover very, fine gold from ore, define what is the best way to separate the gold laden mercury from the ore?
Which material is used to made up of electrodes of resistance welding?
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?
On which basis annealing cycle of steel bars of UpTo 6 MTR can be decided.we r charging 40-45 metric ton load for annealing in bogie furnace?
What is galvanising?
What is the difference between DI pipes, Cast Iron pipes, LA Pipes, SW pipes, SWR Pipes, RCC hume pipe, RCC spun pipe ? What are their IS codes and applications ?
What is the metallurgical explanation of effects of chromium, nickel, molybdenum, and carbon in stainless steels?
Can 1026 steel be welded?
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