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Hi, According to API 610, for the choice of material, there is appendix G an H. I understand that appendix G and G1 are only for information and are only for guidance.( informative) For appendix H1 & H2, it is written under appendix H ( Normative). In § 6.12.1.4 it is written that "pumps parts...

Hi, In ASTM A 182 paragraph 5 it is stipulated that after hot working, forging shall be cooled to a Temperature below 538°C prior heat treating according to table 1 . My question is , what is the reason of this temperature, and how this temperature has been fixed?? Thank you for your answers...

Hi, Is the proof loading test always required for nuts? Should be stipulated in the order as a requirement?? Thank you for your help

Hi, We have to supply piping 3/4 Sch 160 , ASME SA 312 Gr TP304L. ANSI B16.39 , is limited to SCH 80, and ANSI B36.10 indicates SCH 160. How can we correctly supply this pipe ? According to B 36.19 or ANSI B36.10. Thank you for your help. Regards.

Hi, E (R)410NiMo according to ASME II Part C, require postweld heat treatment on test assembly. If we have to perform a repair by welding without postweld heat treatment,(machined part, and small defect on non pressure part by example) is it required to supply the filler metal without heat...

Hi, Do you know why in ASME II, SA 538 is permitted for use with ASME III and not permitted for ASME VIII? Thank youu for your help.

Hi, Do you know where in section NB, we can find the minimum required distance between 2 welds?Fillet and butt welds. Thank you for your help

Hi, For an example,We have to manufacture a pump according to ASME III Class 1 , appendix U is required by customer. In appendix U,in paragraph U-1312 for permitted material,it is required material according to Table U-1610-1 of this Appendix and materials listed in Section II,Part D, Table...

Hi, I would like to know, if there is an ASTM specification for bolting in the grade N08926. I have to supply some bolts and nuts , and I don't know how to proceed, and what standard to applied. Thank you for your help.

Hi, we have to performed a welding procedure qualification with 304L, according to ASME III Division 1 and IX. Is it possible for the PQR to use ASTM or European material for the sample, if its an equivalent to the same P Number according to ASME QW422? Thank you for your help.

Hi, I don't find a standard which defines the chemical analysis for the steel M400-50A according to EN10106 (equivalent to ref ASTM A 677 Grade 47F240). I would like to know the content of carbon , silicon and other elements. Thank you for your help.

Hi, We have made a mistake in our product cycle during picling. In fact, we have put martensitic steel in fluo notric acid bath instead a phosphoric bath during, 1 hour. The material is an équivalent grade as X4CrNiMo16.5.1 (16%Cr, 4%Ni and near 2% of Mo).Austenizing ( 950 1080 °C) and...

Hello, Iwould like to know what are tolerances for U and I you write on your WPS, according the PQR? Thank you for your help. Regards.

hello, API 610 10th edition, requires gussets for auxiliary piping. Welding qualification and performance qualification are required, dimensions for gussets are defined, but nothing for the type of welds,design of welds, the rules for crossing, or proximity of welds. Do you think that we have...

Hi, I have the result of a qualification after hard facing with nickel base alloy as grade 5.(similar colmonoy 5) My question is about Fe content :What is the effect if Fe content is superior to the requirement? For my exemple we need Fe content between 2% and 5%, and we have obtained on hard...

Hello, A193 GrB7: In the scope it is written that bars and wire shall be hot - wrought.What does it means?Do you think we could use a bar from A193GrB7 instead ASME A 105? Thank you for your help.

Hello, We have a to do a repair by welding on a casting part according A439 D2. The problem is that we have not found a standard which gives the requirements how to do a procedure and a performance qualification on this type of material. I just add that it's not for pressure part, but only for...

Hello, My question is about a requirement of our customer, for a killed steel supplying according to ASTM 216WCB. What do you think about this requirement? How could we say that ASTM A216WCB is a killed steel? Thank you for your help