I have some thoughts, Does QW 202.4 only apply to PQR qualification on two different material thicknesses? because if so, the standard is a bit messed up. Performs PQR on P. No. 8 (additional material not valid) let's see 2 cases:
1- Performs connector no. 1 (photo). 10 mm sheet + 10 mm sheet...
Welding engineers or any of you were involved in the production of tanks made of 904L steel. If so, could he briefly write down what to watch out for, how to weld, any special procedures before, during and after welding? and preferably some nice teaching materials (WPS, columns, articles...
Welding engineers, do you have any nice teaching materials (and preferably production ones :)) regarding automatic plasma welding, tz. stainless steel ruler: 304/316. Mainly welding of plates from 3 to 12 mm (longitudinal welds on the shells in the 1G / PA position).
What parameters do you set...
