Seamless pipe is made________?

7639Chemical EngineeringMedium

ABoth B. and C.

BBy forging a solid round, piercing it by simultaneously rotating & forcing it over a piercer

CFrom rolled strips formed into cylinders and seam-welded

DBy extrusion & casting into static and centrifugal molds

Correct answer

A. Both B. and C.

Explanation

The correct answer is Both B. and C..

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