Answer / udaya17

seemless tubes are made by stainless steel composites

Answer / murali

made by extrusion of steel billets

Answer / ferozh

they are made by piercing the steel tube and rolling simultaneously, in order to get the hollow tube. they are also produced by cold extrusion techniques.

Answer / souren roy

piercing...

Answer / vijay kumar

Seam less tube are made by piercing and also (extrusion-if long pipe and high pressure required)

what is trip circuit supervision relay? How does it work in switchgear?

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Give the selection criteria of a 3 Phase transformer for industrial purposes ?

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what is the transformer rush current?

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What can you contribute to the progress of our Company as an employee if you are selected?

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what will happen if the secondary of current transformer kept open....

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In a circuit the power factor was leading what will happen?

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how to know the diffrential relay setting of 06mva step- down (delta-star)transformer?

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What should be the protection scheme for a 15kw, 3-phase motor working in a lathe machine.

0 Answers