Your reasoning is flawed and your answer incorrect.
Another example of reading the QW-4xx variables out of context.
QW-405.2 typically applies to general process qualification (groove welds, etc.).
QW-405.4 apples to special process qualifications (Hard facing or corrosion resistant overlay).
These two variables are never called out together.
Regarding the application of supplementary essential variable QW-405.2, I suggest you read Interpretation IX-81-24 reply to question 1 states :
Reply (1): When applying QW-405.2, any position not involving the vertical uphill progression will qualify for all positions, except those involving the vertical uphill progression. Any position involving the vertical uphill progression win qualify for all positions, including those involving the vertical uphill progression. For example, qualification on a test coupon in the 2G position will qualify 4G and 5G downhill, but not 3G uphill. Qualification on a test coupon in 3G uphill progression will qualify 4G, 6G uphill progression, and all other positions.
John A. Henning
Welding & Materials
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Anban
Sent: Tuesday, March 25, 2014 3:49 AM
To: materials-welding@googlegroups.com
Subject: [MW:20405] ASME Sect IX-QW-405-Position Qualification Ranges
Dear Experts
Position only a Supplementary essential variable (ie when CVN-Impact test required).
QW-405.2 A change from any position to the vertical position uphill progression. Vertical‐uphill progression
(e.g., 3G, 5G, or 6G position) qualifies for all positions. In uphill progression, a change from stringer bead to weave
bead. This variable does not apply when aWPS is qualified with a PWHT above the upper transformation temperature
or when an austenitic material is solution annealed after welding.
QW-405.4 (a) Qualification in the horizontal, vertical, or overhead position shall also qualify for the flat position. Qualification
in the horizontal fixed position, 5G, shall qualify for the flat, vertical, and overhead positions. Qualification in
the horizontal, vertical, and overhead positions shall qualify for all positions. Qualification in the inclined fixed position,
6G, shall qualify for all positions.
I'm looking at some of the WPS/PQRs received from Vendor.
PQR state that Position Tested/Qualified- 1G
WPS state qualified for all groove and fillet positions?
CVN Tested at -30 deg C.
Based on QW-405.2 & QW-405.4- 1G does not qualify all positions.Only qualified for 1G & 1F.
Plls explain how "This variable does not apply when aWPS is qualified with a PWHT above the upper transformation temperature
or when an austenitic material is solution annealed after welding." relevant to Positions.
Pls shine some light on this. Thank You.
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