[MW:20490] Combination of Two PQRs

Dear Gents,

 

Client want to establish WPS by combining the below both PQRs of Section IX to get additional advantages.  Please review and tell, whether this is possible and if not why? if yes give details.

 

Vessel MDMT: -47.5

 

WPS # 38 is made by combining two PQRs:

 

PQR 1: SMAW :::::: 5.98 mm thk coupon

Material: SA 516 Gr 60 to SA 516 Gr 70.

Thickness range: 2.99 to 11.96 mm 

Test temp: -59 deg C.

 

PQR 2: SMAW ::::::: 10 mm thk coupon

Material: SA 516 Gr 60 to SA 516 Gr 70.

Thickness range: 10 to 20 mm.

Test temp: -51 deg C.

 

Thanks in advance

Regards

Santosh