Dear Experts,
Please need your response on my doubt.
PQR Details as below - ( For piping line classes ASME B31.3 and Sec.IX ).
Base metal Thickness - 30.96mm
Impact Tested with - @-29°C
PQR Based on a dual process GTAW+SMAW ( 4.0 mm+26.69 mm).Material - ASTM A106 Gr.B
My Doubt as below -
Shall I use the range in my WPS -
Base metal Thickness - 25.4 mm to 36.96 mm.
dual process GTAW+SMAW Range - 8.00mm to 28.96mm.
OR
Shall I follow QW-403.6 and for Impact test Shall refer range - ASME B31.3 Table 323.3.1 (A-5) T/2 to T+6 mm.
Or
If I need this qualification - the above mentioned range in WPS is acceptable - ( i.e - 25.4 mm to 36.96 mm).
Please give me your response on my doubt with code reference.
Thanks in advance.
Regards
Kiran
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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