I have a HFO scenario where P1 base metal may need to have weld buildup with either E7018, ER70S-6 (GTAW), or ER70S-6 (GMAW). After the buildup it would have a butter layer with either ER309 (GTAW) or ER309-16. Then to finish it would have either ECoCr-E or ERCoCr-E (GTAW) for the hard facing...
Maybe someone can help me with this one. It is regarding valve hard seat facing as it pertains to procedure qualification to Section IX.
The valves in question are 1-1/4 Cr (P4) and 2-1/4 Cr (P5A).
The valves get hard faced with ER410. That part is straightforward when it comes to the...
Need to run a weld buttering procedure qual to Section IX in accordance with QW-283.4(b). This section states that I may use "any P-number material that nominally matches the chemical analysis of the buttering weld metal". The buttering weld metal is Inco 82 (ERNiCr-3). Has anyone done this...
Is anyone aware of a P1 material of any form (pipe/tube or plate preferred), that has a minimum Carbon content of .35% and a minimum CE of .65?
Before I go through the list of P1 materials in ASME Section IX Table QW/QB-422 and check them against ASME Section II Part A, I thought I would try...
Visual, tensiles & bends (all full thickness) were performed on this 1-1/2" thick procedure qualification joint per ASME Section IX-17. Impact testing was performed per ASME Section VIII-15 Division 1 UG84. When the impact testing was performed it was inadvertently tested as a single process...
Is it really the intention of D1.1 to use a 1-1/2" diameter die post for plate PQR's less than 3/8" thick? Am I missing a commentary on this? Figure 4.11 (4.12 & 4.13) makes no provisions for testing on 50ksi and under material that is less than 3/8" thick. Most codes would have you use a 4t...
Performance qualification to AWS D1.2. Testing on 6" sch 40 (.280" wall) 6061 groove weld, for a cyclically loaded application. Table 3.8 number 3 (cyclically loaded tubular structures) calls out 4 different pipe sizes for this test, of which 6" sch 40 is not listed. So I then go to Table 3.8...
Qualifying a PQR for supplemental essential variables (impacts) to Section IX & Section VIII Division 1 UG-84 for minus 20F MDMT. If the actual impacts are subsized below the 80% rule you have to incorporate an additional temperature drop for the impact tests.
That PQR is still only qualified...
What size die post should be used for testing 1/4" thick A36 plate per D1.1 for performance quals? I know the limited test plate diagrams only show 3/8" thick plate and Table 4.11 doesn't offer anything thinner than 3/8". Although Table 4.2 allows for procedure quals less than 3/8" thick. Is it...
Table 9.14 lists the diameter range qualified as "Nominal Pipe or Tube Size Qualified, in". So which is it; nominal pipe or tube size? Should I assume it's nominal pipe size; as that is how they list it for your test coupon size "Nominal Size of Test Pipe, in"?
This table seems flawed in many...
Note (3) of QW 451 in ASME Section IX lists processes SMAW, SAW, GMAW, PAW and GTAW as acceptable for this note. It does not however list FCAW. Throughout Section IX GMAW and FCAW are listed together, whether it be for procedure or welder essential variables. Interpretation IX-86-46 provides...
