Dear Sirs,
I have a question regarding to one ASME PQR. The PQR carbon steel A106 Gr. B with GTAW (3,0mm)/SMAW(5,7mm), the range of qualified thickness for GTAW 1,5 - 6,0 mm and the range of qualified thickness 1,5 - 11,4mm. The PQR have impact test at -20 ºC with 10*10*55 mm specimen.
I...