Question 1

Do I need a WPS for every site?

Accepted Answer

Welding engineers define scope; multiple WPS may cover thickness ranges and positions.

Question 2

Can we weld GI with standard MS electrodes?

Accepted Answer

Follow WPS and safety rules for zinc; do not improvise.

Question 3

What NDT should buyers budget?

Accepted Answer

Whatever the drawing and code require — define RT/UT/MT percentages in contract.