Hi metengr,
Thank you for your prompt reply !
Please let me clarify what am I understanding as per your explanation:
- As per ASME IX edition 2007, QW-420.2, para. 2: ASME SA-106 Gr.B have P No.1 and P Group No.1 so ASTM A-106 Gr.B would have P No.1 and P Group No.1 & S No.1 and S Group No.1...