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hi there, based on your perusal to QW-403.5 (ASME IX), could someone explain and example for each paragraph below: General comment: this QW-403.5 is implied that the P number will be the same, only assess to Group number. 1st paragraph: "For ferrous materials in Table QW/QB-422, a procedure...

Anybody could advise a specific for hydrostatic pressure test acceptance criteria under ASME B31.3?

hi guys, may i need the help regarding to impact test for stainless steel A182 Gr316, the input is code construction ASME B31.3, design temperature is -90 to 100 degree C. so need i do the impact test for PQR during qualification stage.

DekDee, what is mean that? anybody please help...

hi guys, i am in trouble to find out the WPS applying ASTM B861 Gr.2 for reference, someone if have this WPS could you please send me, thank beforehand.

you could refer to this thread hereby is its link http://www.eng-tips.com/viewthread.cfm?qid=400384

hi jay, you could hire a AI and he are going to consult you whatever so that U stamp certification could be achieved. Going into ASME 8 the necessary of AI is mandated to certify during the process.

you can ask LAB about this size of the coupon.

big thank david339933, it's extremely informative.. but you could give me the root core why they can classify the F#, however with the same specification SFA-5.4.

thank so much david339933, based on the specification and purpose, the both of your example welding rods are for SS, how could i determine what are F4, F5 regarding above?

thank you david339933 & Deepu1692, be related this toppic i have one interesting case for your clarification as follows: the carbon steel (CS) coupon was substituted for initial stainless steel (SS) coupon during qualified the welder by SS-WPS with EXXX(X)‐15 SMAW (F5), but when refer to Table...

thank nickelkid so much, just one clarification more, if minimum design temperature is -30 degree C, obviously the impact test of base metal is required but how about impact requirement of weld metal when i fabricate this pipe? The same question with regarding to #1 about impact requirement of...

with the 6 inch NPS SCH 160 (18.26 mm in wall thickness) ASTM A106 Grade B pipe example, to ASME B31.3, following the Paragraph 323.2.2 (b) and then referring to table A-1 this material is curve B, go into Fig. 323.2.2A, please correct for my understand under the as following cases: #1: if the...

gtaw, big thanks if you could confirm with my second post...

Syedt, what code construction have you been using now? then by the code someone could help you. My understand if you are following the ASME 9 the single bevel or double bevel could be prepared for your PQR.

metengr, could you make clear that the 323.2.2 covered for welding in manufacture and fabricator by the detail?

hi there, i am qualifying the welding procedure for A333-Gr.6 for welding of fabrication in accordance with ASME B31.3. I have some concerns needing your advice for the following cases: #1: the design temperature - 39 degree C, so does PQR need to do impact test? #2: the design temperature - 20...

hi new day,could anybody please help me in this regard, my understand that brazing was not classified between groove weld and fillet weld, so when qualified for thickness 1.5 mm with design joint is socket (lap) then WPS only covered for max. 3 mm thickness even this was socket weld. am i correct?

hey guys, I have qualified the brazing with PQR with ASTM B88 1.5mm thickness, Soket (Lap), SFA/A5.8 BCuP‐1 Rod, TB - Torch Brazing. So can i weld in production with the same above exception 5 mm thickness.?

Thank david339933, please confirm my understanding to QW-423.1, this purpose of QW-423.1 was making a range of base material for welder qualification only. More specifically, please see below to be clarified: #1: Refer to QW-301.2, it means that during welder qualification, we needed to...